MESON Chess Problem Database
Problem Display
PID: 243412 (5Q2/8/4P3/pP2Rp2/n2k1P2/N1R2B2/3p3K/q1Nn1b2 w - - 0 1)
Bata, Lorinc
Shakhmaty v SSSR, 1959
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.Qd6#
- 2.Qd8#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 2.Rd3#
- 2.Rc4#
- 1...Bd3
- 2.Rxd3#
- 1...Bh3
- 2.Se2#
- 2.Rd3#
- 2.Rc4#
- 1...Bc4
- 2.Rxc4#
- 1...Bxb5
- 2.Sxb5#
- 1...Sb2
- 2.Qc5#
- 1...Sxc3
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...Qxc3
- Tries
- 1.Re4+?
- 1...Kxc3
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Kd5
- 2.Qd8#
- 1...fxe4!
- 1...Kxc3
- 1.Rec5?
- threat
- 2.Sb3#
- 2.Sc2#
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Qxc1
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Qxa3
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Bxb5
- 2.Sb3#
- 2.Sc2#
- 2.Sxb5#
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sdxc3
- 2.Sc2#
- 1...Saxc3
- 2.Sc2#
- 1...Sxc5
- 2.Qxc5#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...dxc1Q
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...dxc1S
- 2.Sc2#
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...dxc1B
- 2.Sc2#
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...dxc1R
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.R5xc4#
- 1...Qa2
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Qb2
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Qb1
- 2.Qd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qd8#
- 2.Qh8#
- 1...Se3
- 2.Sb3#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sb6
- 2.Sb3#
- 2.Sc2#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Qxc3!
- threat
- 1.Qb4+?
- 1...Bc4
- 2.Se2#
- 2.Sb3#
- 2.Sc2#
- 2.Rd3#
- 2.Rxc4#
- 2.Rd5#
- 2.Qxc4#
- 1...axb4!
- 1...Bc4
- 1.Qc8?
- threat
- 2.Sb3#
- 2.Sc2#
- 2.Rd5#
- 1...Qxc3
- 2.Qd7#
- 2.Qd8#
- 1...Qxc1
- 2.Rd5#
- 1...Qxa3
- 2.Rd5#
- 1...Sdxc3
- 2.Sc2#
- 1...Saxc3
- 2.Sc2#
- 2.Qc5#
- 1...dxc1Q
- 2.Rd5#
- 1...dxc1S
- 2.Sc2#
- 2.Rd5#
- 1...dxc1B
- 2.Sc2#
- 2.Rd5#
- 1...dxc1R
- 2.Rd5#
- 1...Bc4
- 2.Rxc4#
- 2.Qxc4#
- 1...Sc5
- 2.Qxc5#
- 1...Qb2
- 2.Rd5#
- 1...Qb1
- 2.Rd5#
- 1...Bd3
- 2.Sb3#
- 2.Rxd3#
- 1...Se3
- 2.Sb3#
- 1...Sb6
- 2.Sb3#
- 2.Sc2#
- 2.Qc5#
- 1...Qa2!
- threat
- 1.Re4+?
- Keys
- 1.Qg7!
- threat
- 2.Re1#
- 2.Re2#
- 2.Ree3#
- 2.Rec5#
- 2.Rd5#
- 2.Rxf5#
- 1...Kxc3
- 2.Re4#
- 1...Qxc3
- 2.Qd7#
- 1...Sdxc3
- 2.Qg1#
- 1...Saxc3
- 2.Qa7#
- 1...Be2
- 2.Sxe2#
- 2.Rxe2#
- 2.Ree3#
- 2.Rec5#
- 2.Rd5#
- 2.Rxf5#
- 1...Bd3
- 2.Rxd3#
- 2.Re1#
- 2.Re2#
- 1...Bc4
- 2.Rxc4#
- 2.Rd5#
- 2.Rxf5#
- 1...Se3
- 2.Rexe3#
- 2.Rec5#
- 2.Rd5#
- 2.Rxf5#
- 1...Sc5
- 2.Re1#
- 2.Re2#
- 2.Ree3#
- 2.Rexc5#
- 2.Rd5#
- 2.Rxf5#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- B(c);N_GUARD::S(A),XB(c)
- B(c);N_GUARD::R1(D),XB(c)
- B(c);XP(G)::S(C),XB(c)
- S(e);N_GUARD::QAB1(J)
- S(e);N_GUARD,XR(D)::QAB1(J)
- S(e);N_GUARD::QAB1(J),XS(e)
- Tries
- Try
- R(H);CHECK
- Vars
- K(f);P-FLIGHT::QAR(J)
- Refutation
- P(h);XR(H)
- Try
- R(H);
- Threat
- DUALS(7)
- Vars
- S(b);XR(D)::S(C)
- S(e);XR(D)::S(C)
- B(c);N_GUARD::R1(D),XB(c)
- B(c);N_GUARD::R1(H),XB(c)
- Refutation
- Q(a);XR(D)
- Try
- Q(J);CHECK
- Refutation
- P(g);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- Q(a);XS(A)::R1(H)
- Q(a);XS(C)::R1(H)
- S(b);XR(D)::S(C)
- P(d);XS(A)::R1(H)
- S(e);N_GUARD::QAB1(J),XS(e)
- Q(a);::R1(H)
- S(b);::S(A)
- Refutation
- Q(a);
- Try
- Actual
- Q(J);
- Threat
- DUALS(6)
- Vars
- K(f);S_FLIGHT,XR(D)::QAB(J)+R(H)
- Q(a);SBLOCK,XR(D)::QAR(J)
- S(b);N_GUARD,SBLOCK,XR(D)::QAB(J)
- S(e);N_GUARD,SBLOCK,XR(D)::QAB(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).