## King-pawn Opening Series

### Here are some chess puzzles taken from the games of Efim Bogoljubow. The color disk on the diagram indicates who moves first.

Solutions are between the brackets under each puzzle.
Drag your mouse from one bracket to the other.

a)
Efim Bogoljubow vs Grekov, Kiev, 1914
r3kb1r/pppqpppp/1n3n2/7b/2N1P3/1QN1B3/PP3PPP/R3KB1R w - - 0 1
[ Bxb6 axb6 Nxb6 if cxb6 Bb5 ]

b)
Efim Bogoljubow vs S. Wainstein, Triberg, 1915
r4rk1/pp2npp1/1n2p2p/1B2P3/5q2/5N2/PP2QPPP/R2R2K1 w - - 0 1
[ Rd4 if Qf5 Bd3 Qh5 Rh4 ]

c)
Efim Bogoljubow vs Alexei Selesniev, Triberg, 1916
rnb1rnk1/pp2qpp1/3p1b1p/PNpPp3/2Q1P3/4BN2/BPP2PPP/R2R2K1 w - - 0 1
[ Bxc5 dxc5 d6 Qd7 Nc7 ]

d)
Efim Bogoljubow vs Hans Fahrni, Triberg, 1916
2r2n1k/5p1p/5NqQ/p6R/Ppr5/6P1/5PK1/5R2 w - - 1 0
[ Rg5 if Qxh6 Rg8# ]

e)
White mates in 6.
Efim Bogoljubow vs Rudolf Spielmann, Stockholm, 1919
3rkq1r/1pQ2p1p/p3bPp1/3pR3/8/8/PPP2PP1/1K1R4 w - - 0 1
[ Rdxd5 if Qd6 Rxe6+ fxe6 Rxd6 Rd7 Rxe6+ ]

1b)
Efim Bogoljubow vs S. Wainstein

Efim Bogoljubow puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Efim Bogoljubow vs Savielly Tartakower, Goteborg, 1920
r4r2/p4nk1/Np4p1/2p2p2/8/P3P3/1PK2PP1/3R3R w - - 1 0
[ Nc7 if Rab8 Ne6+ ]

b)
White mates in 3.
Efim Bogoljubow vs Alexei Selezniev, Triberg, 1921
4r2k/3nB2P/2p1N1p1/3pPbQ1/2qP1R2/Pr6/7K/5R2 w - - 1 0
[ Bf6+ if Kxh7 Qh6+ or if Nxf6 Qxf6+ ]

c)
Black mates in 3.
Alfred Brinckmann vs Efim Bogoljubow, Triberg, 1921
5nk1/pp3p2/2p2q1p/3p1P2/3P1Kb1/3B2N1/PPQN2PP/8 b - - 0 1
[ ...Qg5+ Ke5 Ng6+ Kd6 Qe7# ]

d)
Efim Bogoljubow vs Frederick Yates, Hastings, 1922
r2r2k1/1Q2nppp/1p1qp3/p1p1N3/3P4/P3P3/1P3PPP/2RR2K1 w - - 0 1
[ Nc4 if Qd7 Qxd7 Rxd7 Nxb6 ]

e)
Efim Bogoljubow vs Siegbert Tarrasch, Hastings, 1922
1r1r2k1/pbRnqppp/1p2p3/1B6/3N4/4P3/PP2QPPP/5RK1 w - - 1 0
[ Rd1 if Bd5 Nc6 ]

2d)
Efim Bogoljubow vs Frederick Yates

Bogoljubow puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
Efim Bogoljubow vs Karel Opocensky, Pistyan, 1922
r5rk/4q2p/b2pNp2/p2PnP2/Pp2P1p1/4Q3/1B4PP/2R2R1K w - - 1 0
[ Rc7 if Qe8 Qh6 mates ]

b)
Frederick Yates vs Efim Bogoljubow, Hastings, 1922
1q1r2k1/p2r1pp1/4p2p/8/1PR2n2/5Q1P/P4PP1/2R1B1K1 b - - 0 1
[ ...Nd3 if Rb1 Ne5 ]

c)
Black mates in 3.
Rudolf Spielmann vs Efim Bogoljubow, Ostrava, 1923
8/p7/1qPQb1Bk/5pp1/8/7P/P3r2P/2R4K b - - 0 1
[ ...Bd5+ Qxd5 Qf2 ]

d)
Efim Bogoljubow vs Aaron Nimzowitsch, Breslau, 1925
5r2/5k2/1p1R2rp/p1p1P3/P1P1p2B/1PK3Pb/3R4/8 w - - 1 0
[ Rf2+ if Kg7 Rxg6+ ]

e)
White mates in 4.
Efim Bogoljubow vs Siegbert Tarrasch, Breslau, 1925
rnq5/pp6/3QPp2/1kpP4/6pr/2B5/PP3PPP/R3K2R w KQ - 1 0
[ a4+ Kc4 Qf4+ if Kb3 Kd2 or if Kxd5 0-0-0+ ]

3b)
Frederick Yates vs Efim Bogoljubow

Efim Bogoljubow puzzles, pt. iv.
The color disk on the diagram indicates who moves first.
a)
Hermann Von Gottschall vs Efim Bogoljubow, Breslau, 1925
8/6k1/2q2bp1/pp1p3p/3p1P2/1PrNr1P1/P1P1RK1P/2RQ4 b - - 0 1
[ ...Rexd3 ]

b)
Efim Bogoljubow vs Paul List, Berlin, 1927
1R5r/2p1kpbp/2q1pp2/p1Pn2B1/3P4/5N2/P1Q2PPP/6K1 w - - 1 0
[ Ne5 if Qa6 Qa4 Rxb8 Qd7+ ]

c)
Carl Helling vs Efim Bogoljubow, Berlin, 1928
3q4/2pr2k1/p4R2/2Q1p1p1/1PPrP1Pp/5R2/P6K/8 b - - 0 1
[ ...Rd2+ if Rf2 Qxf6 or if Kg1 Rd1+ Kg2 R7d2+ ]

d)
Efim Bogoljubow vs Max Euwe, Amsterdam, 1929
3rr2k/4b1pp/pq2Pp2/1p2nP2/1Pp2B2/P4RQ1/2B3PP/5R1K w - - 1 0
[ Bxe5 fxe5 f6 if Bxf6 Qh3 or if Bf8 Qg6 mates ]

e)
Efim Bogoljubow vs Vera Menchik, Carlsbad, 1929
1r1r4/5kp1/1pp1q3/p2pPb1R/1P1QpP1R/P3P3/4BK2/8 w - - 1 0
[ Rxf5+ Qxf5 Bg4 Qg6 Bh5 ]

4e)
Efim Bogoljubow vs Vera Menchik

Efim Bogoljubow puzzles, pt. v.
The color disk on the diagram indicates who moves first.
a)
Black mates in 7.
Frederick Yates vs Efim Bogoljubow, Carlsbad, 1929
3r1k2/2q2p1Q/p3n1p1/1p6/2p5/PrN1R3/5PPP/1B2n1K1 b - - 0 1
[ ...Nf3+ gxf3 Rxb1+ Nxb1 Rd1+ Kg2 Nf4+ Kg3 Rg1+ ]

b)
Efim Bogoljubow vs Edgard Colle, Bled, 1931
1n2nrk1/1br2ppp/8/p4N2/Pp6/4PP2/1B2BKPP/R2R4 w - - 1 0
[ Be5 if Rc8 Ne7+ or if Na6 Bxa6 ]

c)
Efim Bogoljubow vs Andersen, Prague, 1931
2r2rk1/pbqn1ppp/1p1bpn2/2ppN3/3P4/1P1BP2Q/PBPN1PPP/3R1RK1 w - - 1 0
[ Nxd7 Qxd7 dxc5 if Be7 Bxf6 ]

d)
Salomon Flohr vs Efim Bogoljubow, Prague, 1931
6r1/1pp3rp/p2n3k/3P1p2/PP1B1P2/5p1P/3R1P1K/2R5 b - - 0 1
[ ...Rg2+ Kh1 Ne4 Rdc2 R8g3 ]

e)
Ludwig Engels vs Efim Bogoljubow, Swinemunde, 1931
b2r4/5pbk/1p1r2pp/2pn1q2/8/pPPB1N1P/P2R1PPK/B2RQ3 b - - 0 1
[ ...Qf4+ if Kh1 Nxc3 ]

5a)
mate in 7
Frederick Yates vs Efim Bogoljubow

Efim Bogoljubow puzzles, pt. vi.
The color disk on the diagram indicates who moves first.
a)
Efim Bogoljubow vs Friedrich Saemisch, Bad Pyrmont, 1933
4rrk1/p2n4/5P1p/P1pPp3/2b1N1p1/6P1/1B5P/4RRK1 w - - 1 0
[ f7+ Rxf7 Rxf7 Kxf7 Nd6+ ]

b)
Efim Bogoljubow vs Ernst Larsson, Germany, 1935
3rrbk1/2qn1p1p/pp2p1p1/2p1P3/2P1N3/1P6/PBQ2PPP/3RR1K1 w - - 1 0
[ Rxd7 Rxd7 Nf6+ Kh8 Nxe8 ]

c)
Max Euwe vs Efim Bogoljubow, Bad Nauheim, 1937
2r1r2k/p4pp1/2pBnb1p/q1Pp4/3P4/P2R4/2Q1NPPP/3R2K1 b - - 0 1
[ ...Nxd4 if Rxd4 Bxd4 or if Nxd4 Re1+ ]

d)
Black mates in 3.
Endre Steiner vs Efim Bogoljubow, Carlsbad, 1939
5rk1/2p3p1/4b2p/2b4K/p3P3/2P4P/P2N2P1/R1B5 b - - 0 1
[ ...Rf4 g4 Bf7+ Kh4 Bf2# ]

e)
Black mates in 6.
Erich Barnstedt vs Efim Bogoljubow, Karlsruhe, 1939
3Q4/5pk1/2b4p/2q3p1/8/2r3P1/P5PP/5R1K b - - 0 1
[ ...Qf2 if Rg1 Qxg2+ ]

6d)
mate in 3
Endre Steiner vs Efim Bogoljubow

Efim Bogoljubow puzzles, pt. vii.
The color disk on the diagram indicates who moves first.
a)
Black mates in 4.
G Bezruchko vs Efim Bogoljubow, Kemeri, 1939
3rkr2/4P2p/8/nR6/3B4/q1P4P/2PK4/7R b - - 0 1
[ ...Rxd4+ if cxd4 Rf2+ ]

b)
Black mates in 4.
Gottlieb Machate vs Efim Bogoljubow, Bad Pyrmont, 1950
N1b4r/pp3pb1/6p1/2pk4/4n3/5PP1/PP2K3/R3R3 b - - 0 1
[ ...Rh2+ if Kd1 Rd2+ or if Ke3 Bd4+ ]

c)
White mates in 3.
Efim Bogoljubow vs Herbert Heinicke, Augsburg, 1951
2r4k/3Q2bp/6p1/1p6/4PP2/1Br3P1/P2R1BKP/1q6 w - - 1 0
[ Qd8+ Rxd8 Rxd8+ ]

d)
Efim Bogoljubow vs Robert Wade, Birmingham, 1951
6k1/3p2pp/1B6/1PPN4/p1Bb4/8/6K1/r7 w - - 1 0
[ c6 ]

7c)
mate in 3
Efim Bogoljubow vs Herbert Heinicke

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