MESON Chess Problem Database
Problem Display
PID: 238739 (8/8/1KP5/8/2kP1N2/4b1p1/N1PRPp2/3R1Q2 w - - 0 1)
Groeneveld, Cornelis
idee & form, 1988
#2
10 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxd2
- 2.e3#
- 1...Bxd4+
- 2.Rxd4#
- 1...Bxf4
- 2.e4#
- 1...Bxd2
- Tries
- 1.Rb1?
- threat
- 2.Rb4#
- 1...Bxd2
- 2.e3#
- 1...Bxf4
- 2.e4#
- 1...Bxd4+!
- threat
- 1.Qg2?
- threat
- 2.Qd5#
- 1...Bxd4+
- 2.Rxd4#
- 1...Bxf4!
- threat
- 1.Qh3?
- threat
- 2.Qe6#
- 1...Bxd4+
- 2.Rxd4#
- 1...Bxd2!
- threat
- 1.Rb1?
- Keys
- 1.c7!
- threat
- 2.c8Q#
- 2.c8R#
- 1...Bxd4+
- 2.Rxd4#
- 1...Bxd2
- 2.e3#
- 1...Bxf4
- 2.e4#
- 1...g2
- 2.c8Q#
- 2.c8R#
- threat
- 1.c7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);N_PINP(G),OGATE,XR(E)::QAB(B)+P(F)
- B(b);CHECK,OGATE,XP(G)::R1(E),XB(b)
- B(b);N_PINP(G),OGATE,XS(H)::QAB(B)+P(F)
- Tries
- Try
- R(A);
- Threat
- R1(A)
- Vars
- B(b);N_PINP(G),OGATE,XR(E)::QAB(B)+P(F)
- B(b);N_PINP(G),OGATE,XS(H)::QAB(B)+P(F)
- Refutation
- B(b);CHECK,XP(G)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- B(b);CHECK,OGATE,XP(G)::R1(E),XB(b)
- Refutation
- B(b);N_PINP(G),XS(H)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- B(b);CHECK,OGATE,XP(G)::R1(E),XB(b)
- Refutation
- B(b);N_PINP(G),XR(E)
- Try
- Actual
- P(J);
- Threat
- P=Q
- Vars
- B(b);CHECK,OGATE,XP(G)::R1(E),XB(b)
- B(b);N_PINP(G),OGATE,XR(E)::QAB(B)+P(F)
- B(b);N_PINP(G),OGATE,XS(H)::QAB(B)+P(F)
- P(c);::P=Q
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).