[Event "Deutsch Osterreichische Tageszeitung"]
[Site "?"]
[Date "1921.??.??"]
[Round "?"]
[White "Richard Reti"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "mp"]
[SetUp "1"]
[FEN "7K/8/k1P5/7p/8/8/8/8 w - - 0 1"]
[PlyCount "7"]
[EventDate "1921.??.??"]

1. Kg7 $1 h4 (1... Kb6 $144 2. Kf6 h4 3. Ke5 h3 4. Kd6 h2 5. c7 $11) 2. Kf6 $1
Kb6 (2... h3 $144 3. Ke6 h2 4. c7 $11) 3. Ke5 $1 h3 4. Kd6 $11 1/2-1/2

[Event "Glasgow Weekly Citizen"]
[Site "?"]
[Date "1895.??.??"]
[Round "?"]
[White "Barbier & Saavedra"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/1KP5/3r4/8/8/8/k7 w - - 0 1"]
[PlyCount "13"]
[EventDate "1895.??.??"]

1. c7 Rd6+ 2. Kb5 Rd5+ 3. Kb4 Rd4+ 4. Kb3 {(Kc3)} Rd3+ 5. Kc2 Rd4 6. c8=R Ra4
$2 7. Kb3 ({c8=Q} 7. Rc4 $1 {Qxc4 (stalemate)}) 1-0



[Event "?"]
[Site "?"]
[Date "1923.??.??"]
[Round "?"]
[White "Frinck"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/8/8/8/2K4B/5k1P/8 w - - 0 1"]
[PlyCount "9"]
[EventDate "1923.??.??"]

{Угрожает 1... Kg1, а после отступления слона
черный король направится к спасительному
углу h8. Задача белых - не пустить туда
короля.} 1. Bd7 $3 Ke3 2. h4 Ke4 (2... Kf4 3. Kd4 $18) 3. h5 Ke5 4. h6
Kf6 5. Be8 $1 $18 {*} 1-0

[Event "?"]
[Site "?"]
[Date "1928.??.??"]
[Round "?"]
[White "Horowitz & Kazdan"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "5K2/8/p7/1k6/8/8/1P1N4/8 w - - 0 1"]
[PlyCount "11"]
[EventDate "1928.??.??"]

{Как защищаться от 1...Kb4 с последующим
а5-а4-а3? Проблему решает перевод  коня на а1!} 
1. Nb3 $3 Kb4 ({Обход пешки сбоку запаздывает:} 1...
Kc4 2. Na1 $1 Kd3 3. Ke7 Kd2 4. Kd6 Z0 ({Если} 4... Kc1 {то} 5. b4 $1 Kb2
6. Kc6 $1 ({но не} 6. Kc5 $2 Kc3 $1 {и белые в цугцванге})
6... Kxa1 (6... Kc3 7. Kc5 {в цугцванге черные}) 7. Kb6 $18) ({
Не лучше и} 4... a5 5. Kc5 a4 (5... Kc1 6. b3 Kb2 7. Kb5) 6. Kb4 Kc1 7.
Ka3 Kb1 8. Nb3 $1 $18)) 2. Na1 $1 a5 3. Ke7 a4 4. Kd6 a3 5. Nc2+ Kb3 6. bxa3
$18 1-0

[Event "?"]
[Site "?"]
[Date "1924.??.??"]
[Round "?"]
[White "Kubbel"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "5K2/1P1p4/3p4/p7/B7/8/7p/5kN1 w - - 0 1"]
[PlyCount "9"]
[EventDate "1924.??.??"]

1. Ne2 Kxe2 (1... Kf2 2. b8=Q h1=Q 3. Qb6+ Kg2 4. Bc6+ $18) 2. Bd1+ Kf2 (2...
Kxd1 3. b8=Q h1=Q 4. Qb1+ $18) 3. Bf3 Kxf3 4. b8=Q h1=Q 5. Qb7+ {1-0} 1-0

[Event "?"]
[Site "?"]
[Date "1917.??.??"]
[Round "?"]
[White "Weenink, Henri Gerard Marie"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/P7/4k3/7B/8/1K6/6r1 w - - 0 1"]
[PlyCount "13"]
[EventDate "1917.??.??"]

1. a7 Rg2+ 2. Kb1 {or Ka1} Rg1+ 3. Be1 $1 Rxe1+ 4. Kb2 {or Ka2} Re2+ 5. Kb3
Re3+ 6. Kb4 Re4+ 7. Kb5 1-0



[Event "White to play and draw"]
[Site "White to play and draw"]
[Date "1927.??.??"]
[Round "?"]
[White "F. Simkhovich"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "N3kb2/pq4p1/4B1P1/1p1P2B1/p7/3P4/2P5/2K5 w - - 0 1"]
[PlyCount "17"]
[EventDate "1927.??.??"]

1. Bf7+ Kd7 2. Be6+ Kd6 3. Bf4+ Kc5 4. Be3+ Kb4 5. Bd2+ Ka3 6. Kb1 Qxa8 7. Ka1
Qb7 8. Kb1 Qa6 9. Ka1 1/2-1/2

[Event "White to play and win"]
[Site "White to play and win"]
[Date "1938.??.??"]
[Round "?"]
[White "V. Halberstadt"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "4N3/3nP3/1k6/8/1K6/8/8/8 w - - 0 1"]
[PlyCount "3"]
[EventDate "1938.??.??"]

1. Ka3 $1 Kc6 2. Ka2 $1 1-0

[Event "White to play and win"]
[Site "White to play and win"]
[Date "1939.??.??"]
[Round "?"]
[White "M. Liburkin"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/2N5/7N/p7/8/1K4p1/2P5/4k3 w - - 0 1"]
[PlyCount "21"]
[EventDate "1939.??.??"]

1. Nf5 g2 2. Nh4 g1=Q 3. Nf3+ Kd1 4. Nxg1 a4+ 5. Kc3 a3 6. Nd5 a2 7. Ne3+ Kc1
8. Ne2+ Kb1 9. Kd2 $1 a1=Q 10. Nc3+ Kb2 11. Nc4# 1-0

[Event "White to play and win"]
[Site "White to play and win"]
[Date "1939.??.??"]
[Round "?"]
[White "M. Liburkin"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "2N5/p7/q1p2p2/kp6/3P4/PP3K2/5P2/2B5 w - - 0 1"]
[PlyCount "17"]
[EventDate "1939.??.??"]

1. Bd2+ b4 2. Bxb4+ Kb5 3. Nd6+ Kb6 4. Ba5+ $3 Kxa5 5. Nc4+ Kb5 6. Kf4 $1 c5 7.
d5 f5 8. Kg5 f4 9. f3 1-0

[Event "?"]
[Site "?"]
[Date "1938.??.??"]
[Round "?"]
[White "Liburkin"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/8/8/6p1/1N6/2k1K2n/R3b3 w - - 0 1"]
[PlyCount "31"]
[EventDate "1938.??.??"]

1. Nd4+ Kc3 2. Nb5+ Kc4 $1 (2... Kb4 3. Rb1+ Kc5 4. Kxe1 g3 5. Ke2) 3. Nd6+ (3.
Na3+ $143 $11 Kb3 4. Kxe1 Kb2 5. Nc2 Nf3+ 6. Kd1 g3) 3... Kc5 $1 (3... Kd5 4.
Rd1+ Ke6 5. Kxe1) 4. Nb7+ $1 Kc6 5. Nd8+ Kc7 6. Ne6+ Kd7 $1 (6... Kd6 7. Ra6+
Ke5 8. Kxe1) 7. Nf8+ Ke7 $1 (7... Ke8 8. Ra8+) 8. Ng6+ Kf7 $1 (8... Kf6 9. Ra6+
) 9. Nh8+ Kg7 10. Rxe1 Kxh8 11. Rh1 g3 12. Ke3 Kg7 13. Kf4 g2 14. Rg1 Nf1 15.
Rxg2+ Kh6 16. Rf2 $18 {1-0} 1-0

[Event "White to play and draw"]
[Site "White to play and draw"]
[Date "1938.??.??"]
[Round "?"]
[White "V. Smyslov"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "mp"]
[SetUp "1"]
[FEN "r7/4p3/7K/p4p1P/6pk/5Pp1/PB4P1/8 w - - 0 1"]
[PlyCount "17"]
[EventDate "1938.??.??"]

1. Bf6+ $3 exf6 2. f4 Rh8+ 3. Kg7 $1 Rxh5 4. a4 Rg5+ 5. Kh8 $1 Rg6 6. Kh7 Kh5
7. Kh8 Rh6+ 8. Kg7 Rg6+ 9. Kh8 1/2-1/2

[Event "?"]
[Site "?"]
[Date "1955.??.??"]
[Round "?"]
[White "Kasparjan"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/5k2/8/8/7P/N4K2/8/7n w - - 0 1"]
[PlyCount "11"]
[EventDate "1955.??.??"]

{Король белых держит неприятельского коня
в плену и намер-вается его  уничтожить. Но
сначала требуется обезопасить пешку h4.
Важно выбрать верный маршрут коня к полю g2.
} 1. Nc2 $1 Kg6 2. Ne1 $3 ({Ошибочно} 2. Ne3 $2 Kh6 $3 3. Ng2 Kh5 {
и белые в цугцванге}) (2. Ne1 {А вот при коне на
e1 уже бесполезно} Kh6 {ввиду} 3. Kg2 Kh5 4. Nf3 $18) 2...
Kh5 3. Ng2 {в цугцванг попали черные} Kg6 4. Nf4+ Kf5 5.
h5 Kg5 6. Kg2 $18 1-0


[Event "?"]
[Site "?"]
[Date "1949.??.??"]
[Round "?"]
[White "Kasparjan, Genrich"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "mp"]
[SetUp "1"]
[FEN "3B1k2/P2p1p2/3P2pR/7p/7K/6P1/6PP/3q4 w - - 0 1"]
[PlyCount "35"]
[EventDate "1949.??.??"]

1. h3 Qd4+ (1... Qa4+ 2. Kg5 $1 Qb5+ 3. Kh4) 2. g4 (2. Kg5 $2 Qd5+ 3. Kh4 Kg7)
2... Qxa7 3. Bf6 Qf2+ 4. Kg5 Qd2+ 5. Kh4 Qxh6 6. g5 Qh7 7. Kg3 $1 h4+ (7... Qg8
8. h4 Ke8 9. Kf4 Qf8 10. Ke5) 8. Kf2 Ke8 $1 (8... Qh5 9. Ke1 Ke8 10. Kd2 $1 Qh7
11. Kd3 Qg8 12. Kd4 Qf8 13. Kd5) 9. Ke3 $1 Qh5 10. Kd2 Kf8 11. Ke1 (11. Be7+ $2
Kg7 $1 12. Bf6+ Kg8 13. Ke1 Kf8 14. Kd2 Ke8 15. Ke1 Qh7 16. Kf2 Qg8 17. Ke3 Qf8
) 11... Ke8 12. Kd2 Qh7 13. Ke3 Qg8 14. Kd4 Qf8 15. Ke5 Qg8 16. Kd4 Qh7 17. Ke3
Qh5 18. Kd2 {1/2-1/2} 1/2-1/2

[Event "Deutsche Schachzeitung"]
[Site "?"]
[Date "1961.??.??"]
[Round "?"]
[White "Wotawa, Alois"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "B7/7R/2K1k3/8/p6p/7P/1p3P2/8 w - - 0 1"]
[PlyCount "9"]
[EventDate "1961.??.??"]

1. Rb7 a3 2. Kc5 a2 3. Rf7 a1=Q 4. Bd5+ Ke5 5. f4# {1-0} 1-0

[Event "White to play and win"]
[Site "White to play and win"]
[Date "1951.??.??"]
[Round "?"]
[White "V. Korolkov"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "2b4k/8/5Pr1/5N2/8/8/8/K1B5 w - - 0 1"]
[PlyCount "23"]
[EventDate "1951.??.??"]

1. f7 Ra6+ 2. Ba3 $1 Rxa3+ 3. Kb2 Ra2+ $1 4. Kc1 $1 Ra1+ 5. Kd2 Ra2+ 6. Ke3
Ra3+ 7. Kf4 Ra4+ 8. Kg5 Rg4+ 9. Kh6 $1 Rg8 10. Ne7 Be6 11. fxg8=Q+ $1 Bxg8 12.
Ng6# 1-0



[Event "?"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Pasman after Kalandadze/Wotaw"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "5rR1/3K1kpp/8/1n1p3P/8/3p3p/8/7R w - - 0 1"]
[PlyCount "19"]
[EventDate "2019.??.??"]

1. Rh8 $3 (1. Rxf8+ $2 Kxf8 2. Rf1+ Kg8 3. Ke7 h6) 1... Rxh8 2. Rf1+ Kg8 3. h6
$1 (3. Ke7 $2 h6 $1) 3... Nd4 (3... Nd6 4. Kxd6 gxh6 5. Ke7 h2 6. Rf3 {Similar}
) (3... gxh6 4. Ke7 h2 5. Rf3) 4. Ke7 $1 Ne6 $1 (4... Nc6+ 5. Ke8) 5. Kxe6 gxh6
6. Ke7 (6. Kf6 $2 Kf8 7. Ra1 Ke8 $11) 6... h2 7. Rf3 $1 (7. Rf4 $2 h5) 7...
h1=N $1 {The Knight 'reborns'} 8. Rf1 $1 Ng3 9. Rg1 Kg7 10. Rxg3# {2 Active
self-closures on h8 and h6} 1-0



[Event "Variantim 1-st Commendation"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "M.Pasman and Y.Afek"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "mp"]
[SetUp "1"]
[FEN "5k2/8/4p3/2P1P1p1/8/2r3P1/p5P1/4K2R w K - 0 1"]
[PlyCount "34"]
[EventDate "2019.??.??"]

1. O-O+ $1 Ke7 2. Ra1 Ra3 (2... Rc2 {Secondary line} 3. g4 $1 Kd7 4. c6+ $1 (4.
Kh2 Kc6 5. Kh3 Kb5 6. c6 Kb4 $19) 4... Kxc6 5. Kh2 $1 Kb5 6. Kh3 Kb4 7. g3 $1
Kb3 8. Rxa2 $1 $11) 3. g4 $1 (3. Kh2 $2 g4 $1 $19) (3. c6 g4 $1 $19) (3. Kf2
Kd7 4. Ke1 Kc6 5. Kd1 g4 6. Kc1 Kxc5 7. Kb2 Rxg3 $19) 3... Kd7 4. Kh2 $1 Kc6 5.
g3 $1 Ra8 $1 (5... Kxc5 6. Kh3 Kb4 7. Rxa2 Rxa2 {Stalemate}) 6. Kg2 (6. Kh3 Kb5
7. c6 Kc4 8. c7 Rh8+ 9. Kg2 Kb3) {And now continues as main line. This is the
only move in all the main line where white can choose if to play Kg2 or Kh3 -
both with same continuation and same position, just Kh3 is leading to same
position with 1 move more. All other moves in the main line are forced for
white and the only moves leading to draw.} 6... Kb5 7. c6 $1 Kc4 8. c7 Kb3 {[#]
} 9. Re1 $1 {Again - the only move} (9. Rd1 Rc8 $1 $19) (9. Rf1 Rc8 10. Rf3+
Kb4 11. Rf1 Rxc7 12. Ra1 Kb3 $19) 9... Rc8 (9... Kb2 10. Re2+ Kb1 11. Re1+ Kc2
12. Re2+) 10. Re3+ Kb2 11. Re2+ Kb3 12. Re3+ Kb4 13. Re4+ Kb5 14. Re1 Rxc7 15.
Ra1 Ra7 (15... Rc2+ 16. Kh3 Kb4 17. Rxa2) 16. Kh3 $1 Kc4 17. Rxa2 $1 Rxa2 {
[#] Stalemate} 1/2-1/2



[Event "Razumenko - Russia"]
[Site "?"]
[Date "2019.11.??"]
[Round "?"]
[White "M.Pasman - 2-nd Honorable men"]
[Black "?"]
[Result "1/2-1/2"]
[Annotator "mp"]
[SetUp "1"]
[FEN "4R3/2pkP1rp/6Pp/1P6/8/6Pr/8/6K1 w - - 0 1"]
[PlyCount "23"]
[EventDate "2019.??.??"]

1. Rh8 $1 (1. gxh7 $2 Rxh7 $19) 1... Rxe7 $1 (1... Kxe7 2. Kg2 Rxg3+ (2... Rh5
3. gxh7 $11) 3. Kxg3 $11) (1... Rxg3+ 2. Kf2 Rxe7 3. Kxg3 hxg6 4. Rxh6 $11) 2.
Kg2 $1 ({Try :} 2. gxh7 Rxg3+ 3. Kf2 Rg6 4. Rd8+ Kxd8 5. h8=Q+ Kd7 6. Qd4+ Kc8
7. Qd5 Rf6+ 8. Kg3 Rg7+ 9. Kh4 Rg5 10. Qe4 Rd6 {The position is won for black.
White will lose b5 pawn , white will capture h6 and 2 Rooks + c7 pawn is won
for black by tablebases. For example - may be can keep also h6 pawn} 11. Qa8+
Kd7 12. Qf8 Rd4+ 13. Kh3 Rd6 14. Kh4 Rd4+ 15. Kh3 Rd3+ 16. Kh4 Rd6 17. Kh3 Rh5+
18. Kg2 Rxb5 19. Qf7+ Kc6 $19) 2... Rh5 (2... hxg6 3. Kxh3 h5 4. Rg8 Re6 (4...
Re5 5. Rg7+ {+} Kc8 {+.} 6. Rxg6 Rxb5 7. Kh4 Kb7 8. Rh6 $11) 5. Kg2 $11) 3.
gxh7 $1 Ke6 $1 (3... Rxb5 4. Rd8+ $1 Kxd8 5. h8=Q+ Kd7 6. Qxh6 $11) 4. b6 $1
cxb6 {No other move} (4... c6 5. b7 Rb5 {is drawn, for example :} 6. b8=Q Rxb8
7. Rxb8 Rxh7 8. Kf3 {is drawn}) (4... Rc5 {White plays now or later b7 :} 5. b7
Rb5 6. b8=Q Rxb8 7. Rxb8 Rxh7 {the same}) (4... Rb5 {now or later bxc7} 5. bxc7
$11) 5. Rb8 $1 Rxh7 6. Rxb6+ Kf7 7. Rb7+ Kg8 8. Rb8+ Kg7 9. Rb7+ Kg6 10. Rb6+
Kg5 11. Rb5+ Kg4 12. Rb4+ $11 1/2-1/2

[Event "EG"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Harold van der Heijden"]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/5p2/8/4P1P1/8/5k1K/8 w - - 0 1"]
[PlyCount "7"]
[EventDate "2000.??.??"]

1. Kh1 $3 Kf3 2. e5 $1 fxe5 3. g5 e4 4. Kg1 $1 1-0

[Event "UAPA 13"]
[Site "?"]
[Date "2020.??.??"]
[Round "?"]
[White "M.Pasman - Sp. Honorable Men."]
[Black "?"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/8/3p4/6p1/2P5/4P3/K5P1/2k5 w - - 0 1"]
[PlyCount "17"]
[EventDate "2020.??.??"]

{Elaboration of Harold van der Heijden (2003) theme.} 1. e4 $1 (1. Kb3 Kd2 2.
e4 Kd3 $11) 1... Kd2 2. Kb1 $3 ({Thematic - logical try :} 2. Kb2 $2 g4 $1 3.
Kb1 (3. g3 Ke3 {is similar}) 3... Ke3 $1 4. e5 (4. c5 dxc5 5. e5 Kd2 $1) 4...
dxe5 5. c5 Kf2 6. c6 e4 7. c7 e3 8. c8=Q e2 {see main line 1 : the difference
is the White King on b1 instead of b2, so White has no move Qxg4, because e1=Q
is with check.} 9. Qc5+ Kf1 10. Qc4 (10. Qf5+ Kg1 $1) 10... Kf2 11. Qf4+ Kg1 $1
12. Qe3+ Kf1 $11) (2. g4 Kd3 $11) (2. Kb3 Kd3 $11) 2... g4 3. Kb2 $1 ({
Thematic try} 3. g3 $2 Ke3 $1 4. e5 dxe5 5. c5 e4 6. c6 Kf2 7. c7 e3 8. c8=Q e2
9. Qc2 Kf1 10. Qd3 Kf2 $11) (3. Ka2 Kd3 $1) {Main 2 :} 3... g3 $5 ({Main 1 :} 
3... Ke3 $5 4. e5 $1 ({Try :} 4. c5 dxc5 5. e5 Kd2 $1 6. Kb3 Kd3 $1 7. Kb2 Kd2
$1 $11) 4... dxe5 5. c5 e4 6. c6 Kf2 7. c7 e3 8. c8=Q e2 9. Qxg4 e1=Q 10. Qh4+
$18) 4. Kb1 $1 (4. Kb3 Kd3 $1) 4... Ke3 $5 (4... Kd3 5. e5 dxe5 6. c5 e4 (6...
Ke2 7. c6 Kf2 8. c7 Kxg2 9. c8=Q) 7. Kc1 $1 Ke2 8. c6 e3 9. c7 Kf2 10. c8=Q $18
) (4... Kd1 $5 5. e5 (5. Ka2 Kd2) 5... dxe5 6. c5 e4 7. c6 e3 8. c7 e2 9. c8=Q
e1=Q 10. Qc2#) (4... Ke1 5. e5 dxe5 6. c5 e4 7. c6 e3 8. c7 e2 9. c8=Q $18) 5.
e5 dxe5 6. c5 e4 7. c6 Kf2 8. c7 e3 9. c8=Q $18 {And now white is winning,
because he has f3 square for check. We have seen 2 thematic tries and 2 main
lines connected to g-pawns positions and how it brings totally different
result. This is the main subject of the study.} 1-0



[Event "3.sp.p Chess Star#0856"]
[Site "?"]
[Date "2014.11.03"]
[Round "?"]
[White "Slumstrup Nielsen=S"]
[Black "(+0000.78a1g6)"]
[Result "1-0"]
[Annotator "mp"]
[SetUp "1"]
[FEN "8/PPP1PPpP/6k1/4p1p1/2p5/1pp1pP2/6p1/K7 w - - 0 1"]
[PlyCount "19"]
[EventDate "2014.11.03"]

{(EG#20758).} 1. f8=N+ Kf6 2. e8=N+ Kf7 3. Nd6+ Ke7 4. c8=N+ Kd8 5. Nf7+ Ke8 6.
Ncd6+ Ke7 7. Ng6+ Kd7 8. b8=N+ Kc7 9. a8=N+ Kxb8 10. h8=Q+ 1-0

