MESON Chess Problem Database
Problem Display
PID: 108166 (6n1/3p1PK1/1p2N3/1n1kr2R/3NR3/1P6/2q1Q2B/b6B w - - 0 1)
Gonzales, Manuel
White-100 JT, 1980-1981
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Rxf5#
- 1...Rg5+
- 2.Rxg5#
- 1...Rxh5
- 2.Qxh5#
- 1...Sd6
- 2.Rexe5#
- 2.Rhxe5#
- 1...d6
- 2.Rexe5#
- 1...Rf5
- Tries
- 1.Qc4+?
- 1...Kd6
- 2.Sf5#
- 1...Qxc4!
- 1...Kd6
- 1.f8Q?
- threat
- 2.Sf4#
- 2.Rexe5#
- 2.Rhxe5#
- 1...Rg5+
- 2.Rxg5#
- 1...Qxe4
- 2.Bxe4#
- 2.Rxe5#
- 2.Qc4#
- 2.Qxb5#
- 2.Qxe4#
- 1...Rxh5
- 2.Sf4#
- 2.Re5#
- 2.Qxh5#
- 1...Bxd4
- 2.Rexe5#
- 1...Sxd4
- 2.Rexe5#
- 1...dxe6
- 2.Rhxe5#
- 1...Qc1
- 2.Rexe5#
- 2.Rhxe5#
- 1...Qd2
- 2.Re3#
- 2.Rf4#
- 2.Rg4#
- 2.Reh4#
- 2.Rexe5#
- 2.Rhxe5#
- 2.Qc4#
- 2.Qxb5#
- 1...Qc7
- 2.Sf4#
- 2.Re3#
- 2.Rf4#
- 2.Rg4#
- 2.Reh4#
- 2.Rexe5#
- 1...Rf5
- 2.Sf4#
- 2.Re5#
- 2.Rxf5#
- 2.Qxf5#
- 1...Sd6
- 2.Rexe5#
- 2.Rhxe5#
- 1...d6
- 2.Rexe5#
- 1...Se7!
- threat
- 1.f8B?
- threat
- 2.Sf4#
- 2.Rexe5#
- 2.Rhxe5#
- 1...Rg5+
- 2.Rxg5#
- 1...Qxe4
- 2.Bxe4#
- 2.Rxe5#
- 2.Qc4#
- 2.Qxb5#
- 2.Qxe4#
- 1...Rxh5
- 2.Sf4#
- 2.Re5#
- 2.Qxh5#
- 1...Bxd4
- 2.Rexe5#
- 1...Sxd4
- 2.Rexe5#
- 1...dxe6
- 2.Rhxe5#
- 1...Qc1
- 2.Rexe5#
- 2.Rhxe5#
- 1...Qd2
- 2.Re3#
- 2.Rf4#
- 2.Rg4#
- 2.Reh4#
- 2.Rexe5#
- 2.Rhxe5#
- 2.Qc4#
- 2.Qxb5#
- 1...Qc7
- 2.Sf4#
- 2.Re3#
- 2.Rf4#
- 2.Rg4#
- 2.Reh4#
- 2.Rexe5#
- 1...Rf5
- 2.Sf4#
- 2.Re5#
- 2.Rxf5#
- 1...Sd6
- 2.Rexe5#
- 2.Rhxe5#
- 1...d6
- 2.Rexe5#
- 1...Se7!
- threat
- 1.Qc4+?
- Keys
- 1.Sf5!
- threat
- 2.Rxe5#
- 1...Rxe4+
- 2.Sfd4#
- 1...Rxf5+
- 2.Rd4#
- 1...Rxe6+
- 2.Re5#
- 1...Kc6
- 2.Rc4#
- 1...Kxe6
- 2.fxg8Q#
- 2.fxg8B#
- 1...Qxe4
- 2.Qc4#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- R(e);OGATEB,P_PINS(E)::R(G),XR(e)
- R(e);CHECK,OGATEB,P_PINS(E)::R(G),XR(e)
- R(e);N_SPINR(e),OGATE,P_PINS(E),XR(G)::QAR(B),XR(e)
- P(g);SBLOCK::B(A)+R(F),DCHECK,XR(e)
- Tries
- Try
- Q(B);CHECK
- Vars
- K(d);P-FLIGHT::S(E)
- Refutation
- Q(b);XQ(B)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,OGATEB,P_PINS(E)::R(G),XR(e)
- B(a);XS(E)::B(A)+R(F),DCHECK,XR(e)
- S(c);XS(E)::B(A)+R(F),DCHECK,XR(e)
- P(g);XS(H)::R1(G),XR(e)
- P(g);::B(A)+R(F),DCHECK,XR(e)
- Refutation
- S(h);
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,OGATEB,P_PINS(E)::R(G),XR(e)
- B(a);XS(E)::B(A)+R(F),DCHECK,XR(e)
- S(c);XS(E)::B(A)+R(F),DCHECK,XR(e)
- P(g);XS(H)::R1(G),XR(e)
- P(g);::B(A)+R(F),DCHECK,XR(e)
- Refutation
- S(h);
- Try
- Actual
- S(E);N_PINR(e)
- Threat
- B(A)+R(F),DCHECK,XR(e)
- Vars
- R(e);CHECK,P_SPINR(e),XR(F)::R(G)+S(E)
- R(e);CHECK,P_SPINR(e),XS(E)::B(A)+R(F),DCHECK
- R(e);CHECK,XS(H)::B(A)+R(F),DCHECK
- K(d);S_FLIGHT::B(A)+R(F),DCHECK
- K(d);P_SPINR(e),S_FLIGHT,XS(H)::PXS(h)=Q
- Q(b);N_GUARD,P_SPINQ(b),XR(F)::QAB1(B)
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).