MESON Chess Problem Database
Problem Display
PID: 232724 (5b2/4R2b/1pP5/3B4/N1pkpP2/p2PN2r/4Pn2/KRQn3r w - - 0 1)
Groeneveld, Cornelis
Freie Presse, 1992
#2
11 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxe3
- 2.Qxc4#
- 1...cxd3
- 2.Rb4#
- 1...c3
- 2.Rb4#
- 1...exd3
- 2.Qxc4#
- 1...Rxe3
- Tries
- 1.Sf5+?
- 1...Kxd5
- 2.Qxc4#
- 1...Bxf5!
- 1...Kxd5
- 1.Be6?
- threat
- 2.Sc2#
- 1...Rxe3
- 2.Qxc4#
- 1...Sxe3
- 2.Qc3#
- 1...cxd3
- 2.Rb4#
- 1...exd3!
- threat
- 1.Bg8?
- threat
- 2.Sc2#
- 1...Rxe3
- 2.Qxc4#
- 1...Sxe3
- 2.Qc3#
- 1...cxd3
- 2.Rb4#
- 1...exd3
- 2.Qxc4#
- 1...Bxg8!
- threat
- 1.Rb5?
- threat
- 2.Sc2#
- 1...Rxe3
- 2.Qxc4#
- 1...cxd3
- 2.Rb4#
- 1...exd3
- 2.Qxc4#
- 1...Sxe3!
- threat
- 1.Re5?
- threat
- 2.Sc2#
- 1...Rxe3
- 2.Qxc4#
- 1...Sxe3
- 2.Qc3#
- 1...exd3
- 2.Qxc4#
- 1...cxd3!
- threat
- 1.dxc4?
- threat
- 2.Sc2#
- 1...Sxe3
- 2.Qc3#
- 1...Rxe3!
- threat
- 1.Sf5+?
- Keys
- 1.Bf7!
- threat
- 2.Sc2#
- 1...Rxe3
- 2.Qxc4#
- 1...Sxe3
- 2.Qc3#
- 1...cxd3
- 2.Rb4#
- 1...exd3
- 2.Qxc4#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- P(f);OGATEB,XP(E)::R(B)
- P(f);OGATEB::R(B)
- P(h);XP(E)::QAR1(C),XP(f)
- Tries
- Try
- S(F);CHECK
- Vars
- K(g);P-FLIGHT,XB(I)::QAB1(C),XP(f)
- Refutation
- B(j);XS(F)
- Try
- B(I);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- S(a);N_GUARD,SBLOCK,XS(F)::QAB1(C)
- P(f);OGATEB,XP(E)::R(B)
- Refutation
- P(h);XP(E)
- Try
- B(I);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- S(a);N_GUARD,SBLOCK,XS(F)::QAB1(C)
- P(f);OGATEB,XP(E)::R(B)
- P(h);XP(E)::QAR1(C),XP(f)
- Refutation
- B(j);XB(I)
- Try
- R(B);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- P(f);OGATEB,XP(E)::R(B)
- P(h);XP(E)::QAR1(C),XP(f)
- Refutation
- S(a);P_PINQ(C),XS(F)
- Try
- R(K);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- S(a);N_GUARD,SBLOCK,XS(F)::QAB1(C)
- P(h);XP(E)::QAR1(C),XP(f)
- Refutation
- P(f);XP(E)
- Try
- P(E);XP(f)
- Threat
- S(F)
- Vars
- S(a);N_GUARD,XS(F)::QAB1(C)
- Refutation
- R(e);XS(F)
- Try
- Actual
- B(I);
- Threat
- S(F)
- Vars
- R(e);SBLOCK,XS(F)::QAR1(C),XP(f)
- S(a);N_GUARD,SBLOCK,XS(F)::QAB1(C)
- P(f);OGATEB,XP(E)::R(B)
- P(h);XP(E)::QAR1(C),XP(f)
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).