MESON Chess Problem Database
Problem Display
PID: 115207 (7b/5R2/5p2/2R2K2/2NpN3/2pkp3/P2p2P1/3Q4 w - - 0 1)
Bogdanov, Evgeny Mikhailovich
Canadian Chess Chat, 1982
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...c2
- Tries
- 1.Sxe3?
- 1...Kxe3
- 2.Qf3#
- 1...dxe3
- 2.Rd7#
- 1...c2
- 2.Qxd2#
- 1...Bg7!
- 1...Kxe3
- 1.Rc6?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rcc7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rc8?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rxf6?
- threat
- 2.Se5#
- 1...e2
- 2.Sf2#
- 1...Bxf6!
- threat
- 1.Ra7?
- 1...c2
- 2.Sb2#
- 2.Ra3#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rb7?
- 1...c2
- 2.Sb2#
- 2.Rb3#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rfc7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rd7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Re7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Rg7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 2.Rg3#
- 1...Bxg7!
- 1...c2
- 1.Rh7?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 2.Rh3#
- 1...Bg7!
- 1...c2
- 1.Rf8?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.a3?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.a4?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.g3?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.g4?
- 1...c2
- 2.Sb2#
- 1...e2
- 2.Sf2#
- 1...Bg7!
- 1...c2
- 1.Sxe3?
- Keys
- 1.Sxc3!
- threat
- 2.Sb2#
- 1...Kxc3
- 2.Qb3#
- 1...dxc3
- 2.Rd7#
- 1...e2
- 2.Qxd2#
- threat
- 1.Sxc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Tries
- Try
- S(D);XP(d)
- Vars
- K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(D)::QAR1(A)
- P(e);OGATEB,SBLOCK,XS(D)::R(H)
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- B(g);
- Try
- R(F);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(F);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(F);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);XP(f)
- Threat
- S(D)
- Vars
- P(d);N_GUARD::S(E)
- Refutation
- B(g);XR(H)
- Try
- R(H);
- Vars
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- Refutation
- B(g);XR(H)
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- Refutation
- B(g);
- Try
- R(H);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- P(B);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- P(B);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- P(C);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- P(C);
- Vars
- P(b);N_GUARD::S(D)
- P(d);N_GUARD::S(E)
- Refutation
- B(g);
- Try
- Actual
- S(E);XP(b)
- Threat
- S(D)
- Vars
- K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR1(A)
- P(e);OGATEB,SBLOCK,XS(E)::R(H)
- P(d);N_GUARD::QAR1(A),XP(a)
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).