MESON Chess Problem Database
Problem Display
PID: 63255 (1bK3RN/7P/2Qpp2P/R3PkN1/2Ppppp1/3q4/3BB3/8 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
1st Prize, Odessa, 1990
#2
12 + 9
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Qxe4#
- 1...Qa3
- 2.Qxe4#
- 1...Qb3
- 2.Qxe4#
- 1...Qc3
- 2.Qxe4#
- 1...Qg3
- 2.Qxe4#
- 1...Qh3
- 2.Qxe4#
- 1...e3
- 2.Bxd3#
- 1...f3
- 2.Rf8#
- 1...dxe5
- 2.Qxe6#
- 1...d5
- 2.Qxe6#
- 1...Qxd2
- Tries
- 1.Sh3?
- threat
- 2.Bxg4#
- 2.Rg5#
- 2.Rf8#
- 1...Qxe2
- 2.Rg5#
- 2.Rf8#
- 1...gxh3
- 2.Bg4#
- 1...dxe5
- 2.Rf8#
- 1...d5
- 2.Rg5#
- 1...Qf3
- 2.Rg5#
- 2.Rf8#
- 1...Qg3
- 2.Rg5#
- 2.Rf8#
- 1...f3
- 2.Rg5#
- 2.Rf8#
- 1...g3
- 2.Bg4#
- 2.Rg5#
- 2.Rf8#
- 1...Qxh3!
- threat
- 1.Sxe4?
- threat
- 2.Bxg4#
- 2.Rg5#
- 2.Rf8#
- 1...Qxe2
- 2.Rg5#
- 2.Rf8#
- 1...Qxe4
- 2.Bxg4#
- 1...Qf3
- 2.Rg5#
- 2.Rf8#
- 1...Qg3
- 2.Rg5#
- 2.Rf8#
- 1...Qh3
- 2.Rg5#
- 2.Rf8#
- 1...f3
- 2.Sg3#
- 2.Rg5#
- 2.Rf8#
- 1...g3
- 2.Bg4#
- 2.Rg5#
- 2.Rf8#
- 1...d5!
- threat
- 1.Sgf7?
- threat
- 2.Bxg4#
- 2.Rg5#
- 1...Qxe2
- 2.Rg5#
- 1...Qf3
- 2.Rg5#
- 1...Qg3
- 2.Rg5#
- 1...Qh3
- 2.Rg5#
- 1...f3
- 2.Rg5#
- 1...g3
- 2.Bg4#
- 2.Rg5#
- 1...dxe5!
- threat
- 1.Bxd3?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...exd3
- 2.Qe4#
- 1...dxe5
- 2.Qxe6#
- 1...d5
- 2.Qxe6#
- 1...g3!
- threat
- 1.Qd7?
- threat
- 2.Qxe6#
- 2.Qf7#
- 1...d5
- 2.Qxe6#
- 1...Qxc4+!
- threat
- 1.Qe8?
- threat
- 2.Qg6#
- 2.Qf7#
- 2.Qxe6#
- 2.Qf8#
- 1...d5
- 2.Qxe6#
- 1...Qxc4+!
- threat
- 1.exd6+?
- 1...Kf6
- 2.Rg6#
- 2.Rf8#
- 1...e5!
- 1...Kf6
- 1.Sh3?
- Keys
- 1.Sxe6!
- threat
- 2.Bxg4#
- 1...Kxe6
- 2.Qd7#
- 1...Qxe2
- 2.Sxd4#
- 1...dxe5
- 2.Rf8#
- 1...Qf3
- 2.Sxd4#
- 1...Qg3
- 2.Sxd4#
- 1...Qh3
- 2.Sxd4#
- 1...f3
- 2.Sg7#
- 1...g3
- 2.Bg4#
- 1...d5
- 2.Rg5#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(c)
- Q(a);N_GUARD::QAB1(G),XP(c)
- P(c);OGATEB::B(B),XQ(a)
- P(d);::R(K)
- P(g);OGATE,P_SPINP(g),XP(E)::QAB1(G),XP(h)
- P(g);OGATE::QAB1(G),XP(h)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- P(e);XS(F)::B(B)
- P(g);P_SPINP(g),XP(E)::R(K)
- P(g);::R1(K)
- Refutation
- Q(a);XS(F)
- Try
- S(F);XP(c)
- Threat
- DUALS(3)
- Vars
- Q(a);XS(F)::B(B),XP(e)
- Refutation
- P(g);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(B)::R1(K)
- Q(a);::R1(K)
- P(d);::R1(K)
- Refutation
- P(g);P_SPINP(g),XP(E)
- Try
- B(B);P_PINP(c),XQ(a)
- Threat
- DUALS(2)
- Vars
- P(c);N_SPINP(c),XB(B)::QAB1(G)
- P(g);OGATE,XP(E)::QAB1(G),XP(h)
- P(g);OGATE::QAB1(G),XP(h)
- Refutation
- P(e);
- Try
- Q(G);P_PINP(h)
- Threat
- DUALS(2)
- Vars
- P(g);::QAB1(G),XP(h)
- Refutation
- Q(a);CHECK,XP(C)
- Try
- Q(G);
- Threat
- DUALS(4)
- Vars
- P(g);::QAB1(G),XP(h)
- Refutation
- Q(a);CHECK,XP(C)
- Try
- P(E);CHECK,XP(g)
- Refutation
- P(h);P_SPINP(h)
- Try
- Actual
- S(F);XP(h)
- Threat
- B(B),XP(e)
- Vars
- K(f);OGATEB,P_SPINP(g),S_FLIGHT,XS(F)::QAB1(G)
- Q(a);N_GUARD,XB(B)::S(F),XP(b)
- P(g);P_SPINP(g),XP(E)::R(K)
- Q(a);N_GUARD::S(F),XP(b)
- P(d);::S(F)
- P(e);::B(B)
- P(g);::R1(K)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).