MESON Chess Problem Database
Problem Display
PID: 50507 (8/1KP2Q2/2R1n3/pN1kp2R/P2b2p1/1Pp1p2b/2N1P1p1/6B1 w - - 0 1)
Antonov, Yuri Mikhailovich
Probleemblad, 1979
#2
11 + 10
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Bc5
- Tries
- 1.Sxe3+?
- 1...Ke4
- 2.Sd6#
- 2.Qf5#
- 1...Bxe3!
- 1...Ke4
- 1.Sb4+?
- 1...Ke4
- 2.Sd6#
- 2.Qf5#
- 1...axb4!
- 1...Ke4
- 1.Sbxd4?
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...g3
- 1.Rg5?
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...Bc5
- 1.Rc4?
- 1...Ke4
- 2.Sxc3#
- 1...Bb6
- 2.Qd7#
- 1...Ba7
- 2.Qd7#
- 1...g3
- 2.Qf3#
- 1...Bc5!
- 1...Ke4
- 1.Rd6+?
- 1...Ke4
- 2.Qf5#
- 1...Kc5!
- 1...Ke4
- 1.Rxe6?
- threat
- 2.Rexe5#
- 1...Kc5
- 2.Rc6#
- 1...Ke4!
- threat
- 1.c8Q?
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...Bc5
- 1.c8S?
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...Bc5
- 1.c8B?
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...Bc5
- 1.c8R?
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qf3#
- 1...Ke4!
- 1...Bc5
- 1.Sxe3+?
- Keys
- 1.Rh4!
- 1...Ke4
- 2.Qf3#
- 1...Bc5
- 2.Sxc3#
- 1...Bb6
- 2.Sxc3#
- 1...Ba7
- 2.Sxc3#
- 1...g3
- 2.Qd7#
- 1...e4
- 2.Qxe6#
- 1...Ke4
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Tries
- Try
- S(B);CHECK,XP(c)
- Refutation
- B(e);XS(B)
- Try
- S(B);CHECK
- Refutation
- P(g);XS(B)
- Try
- S(F);XB(e)
- Vars
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- R(G);
- Vars
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- R(H);
- Vars
- K(h);N_SPINP(i),N_SPINS(j),P_SPINB(e),S_FLIGHT::S(F),XP(b)
- B(e);::QAR2(K)
- P(f);N_GUARD::QAB(K)
- Refutation
- B(e);
- Try
- R(H);CHECK
- Vars
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT::QAB1(K)
- Refutation
- K(h);N_SPINS(j),P-FLIGHT
- Try
- R(H);XS(j)
- Threat
- QAB(K)+R(H),DCHECK,XP(i)
- Vars
- K(h);P-FLIGHT::R1(H)
- Refutation
- K(h);S_FLIGHT
- Try
- P(J);
- Vars
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- P(J);
- Vars
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- P(J);
- Vars
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- P(J);
- Vars
- B(e);N_GUARD::S(F),XP(b)
- P(f);N_GUARD::QAB(K)
- Refutation
- K(h);N_SPINP(i),N_SPINS(j),S_FLIGHT
- Try
- Actual
- R(G);N_PINP(i)
- Vars
- K(h);N_SPINS(j),P_SPINP(f),S_FLIGHT::QAB1(K)
- B(e);N_GUARD::S(F),XP(b)
- P(f);::QAR2(K)
- P(i);::QAB1(K),XS(j)
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).