MESON Chess Problem Database
Problem Display
PID: 234131 (8/2K5/Q3P1p1/5bR1/1k3p2/4rP2/P2P1B2/N2N4 w - - 0 1)
Benko, Pal Charles
Chess Life, 1981
#2
10 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.a3#
- 1...Re2
- 2.a3#
- 1...Rc3+
- 2.dxc3#
- 1...Rd3
- 2.Sc2#
- 1...Re4
- 2.Sc2#
- 2.a3#
- 1...Re5
- 2.a3#
- 1...Rxe6
- 2.a3#
- 1...Bc2
- 2.Sxc2#
- 1...Bd3
- 2.a3#
- 1...Bh3
- 2.Sc2#
- 1...Bg4
- 2.Sc2#
- 1...Bxe6
- 2.Sc2#
- 1...Re1
- Tries
- 1.Sc2+?
- 1...Kc5
- 2.Qc6#
- 1...Bxc2!
- 1...Kc5
- 1.Sb2?
- 1...Kc5
- 2.Qc4#
- 1...Rxf3
- 2.Qa4#
- 1...Rxe6
- 2.Qa4#
- 2.a3#
- 1...Bxe6
- 2.Sc2#
- 2.Rb5#
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 1...Re1
- 2.Qa4#
- 2.a3#
- 1...Re2
- 2.Qa4#
- 2.a3#
- 1...Ra3
- 2.Qb6#
- 1...Rb3
- 2.Qa4#
- 1...Rd3
- 2.Sc2#
- 2.Qa4#
- 1...Re4
- 2.Sc2#
- 2.Sd3#
- 2.Qa4#
- 2.a3#
- 1...Re5
- 2.Qa4#
- 2.a3#
- 1...Bb1
- 2.Rb5#
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 1...Bc2
- 2.Sxc2#
- 2.Rb5#
- 2.Qa5#
- 2.Qd6#
- 1...Bd3
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 2.a3#
- 1...Bh3
- 2.Sc2#
- 2.Rb5#
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 1...Be4
- 2.Rb5#
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 1...Bg4
- 2.Sc2#
- 2.Rb5#
- 2.Qa4#
- 2.Qa5#
- 2.Qd6#
- 1...Rc3+!
- 1...Kc5
- 1.Sxe3?
- threat
- 2.Sd5#
- 1...Kc5
- 2.Qc4#
- 2.Qb6#
- 1...Bxe6
- 2.Sac2#
- 2.Sec2#
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...Be4
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...fxe3!
- threat
- 1.Rxf5?
- threat
- 2.Sc2#
- 1...Rc3+
- 2.dxc3#
- 1...gxf5!
- threat
- 1.Qb5+?
- 1...Ka3
- 2.Qa5#
- 1...Kxb5!
- 1...Ka3
- 1.Sc2+?
- Keys
- 1.d3!
- 1...Kc5
- 2.Qc4#
- 1...Rxd3
- 2.Sc2#
- 1...Rxf3
- 2.Sc2#
- 2.a3#
- 1...Rxe6
- 2.Sc2#
- 2.a3#
- 1...Bxd3
- 2.a3#
- 1...Bxe6
- 2.Sc2#
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...Re1
- 2.Sc2#
- 2.a3#
- 1...Re2
- 2.a3#
- 1...Re4
- 2.Sc2#
- 2.a3#
- 1...Re5
- 2.Sc2#
- 2.a3#
- 1...Bh3
- 2.Sc2#
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...Be4
- 2.Sc2#
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...Bg4
- 2.Sc2#
- 2.Rb5#
- 2.Qa5#
- 2.a3#
- 1...Kc5
- 1.d3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::P(C)
- R(a);CHECK,OGATE::P(D),XR(a)
- R(a);S_CUTB(d)::S(A)
- R(a);N_GUARD,XP(I)::P(C)
- B(d);N_GUARD::S(A),XB(d)
- B(d);S_CUTR(a)::P(C)
- B(d);N_GUARD::S(A)
- B(d);N_GUARD,XP(I)::S(A)
- Tries
- Try
- S(A);CHECK
- Vars
- K(b);P_SPINB(d),P_SPINR(a),S_FLIGHT::QAR1(H)
- Refutation
- B(d);XS(A)
- Try
- S(B);
- Vars
- K(b);P_SPINB(d),P_SPINR(a),S_FLIGHT::QAR1(H)
- R(a);XP(F)::QAR1(H)
- R(a);SBLOCK::QAR2(H)
- R(a);::QAR1(H)
- Refutation
- R(a);CHECK
- Try
- S(B);XR(a)
- Threat
- S(B)
- Refutation
- P(c);XS(B)
- Try
- R(G);XB(d)
- Threat
- S(A)
- Vars
- R(a);CHECK,OGATE::P(D),XR(a)
- Refutation
- P(e);XR(G)
- Try
- Q(H);CHECK
- Vars
- K(b);S_FLIGHT::QAR2(H)
- Refutation
- K(b);P-FLIGHT,P_SPINB(d),XQ(H)
- Try
- Actual
- P(D);
- Vars
- K(b);P_SPINB(d),P_SPINR(a),S_FLIGHT::QAR1(H)
- R(a);XP(D)::S(A)
- B(d);XP(D)::P(C)
- R(a);::P(C)
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).