MESON Chess Problem Database
Problem Display
PID: 122150 (8/NbpQp3/p1Nb4/p1P1P3/k4p2/pR6/P7/7K w - - 0 1)
Giegold, Fritz Emil
stern, 1970
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxc6+
- 2.Qxc6#
- 1...f3
- 2.Qg4#
- 1...Bxc6+
- Tries
- 1.Rc3?
- threat
- 2.Rc4#
- 1...Bxc5
- 2.Qd1#
- 1...Bxc6+!
- threat
- 1.Rf3?
- threat
- 2.Rxf4#
- 1...Bxc5
- 2.Qd1#
- 1...Bxe5
- 2.Qd1#
- 1...Bxc6!
- threat
- 1.Rxb7?
- 1...Bxc5
- 2.Qd1#
- 1...Bxe5
- 2.Qd1#
- 1...f3
- 2.Qg4#
- 1...e6!
- 1...Bxc5
- 1.Qxc7?
- threat
- 2.Qxa5#
- 1...Bxc6+
- 2.Qxc6#
- 1...Bxc7!
- threat
- 1.Rc3?
- Keys
- 1.Re3!
- threat
- 2.Re4#
- 1...Bxc5
- 2.Qd1#
- 1...Bxe5
- 2.Qd1#
- 1...fxe3
- 2.Qg4#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(g);CHECK,OGATE,P_SPINB(g),XS(F)::QAB(H),XB(g)
- P(c);N_PINS(F),OGATEB::QAR(H)
- Tries
- Try
- R(C);
- Threat
- R(C)
- Vars
- B(f);OGATE,XP(D)::QAB(H)
- Refutation
- B(g);CHECK,P_SPINB(g),XS(F)
- Try
- R(C);N_SPINS(F)
- Threat
- R(C),XP(c)
- Vars
- B(f);OGATE,XP(D)::QAB(H)
- B(f);OGATE,XP(E)::QAB(H)
- Refutation
- B(g);P_PINR(C),P_SPINB(g),XS(F)
- Try
- R(C);N_SPINS(F),XB(g)
- Vars
- B(f);OGATE,XP(D)::QAB(H)
- B(f);OGATE,XP(E)::QAB(H)
- P(c);OGATEB::QAR(H)
- Refutation
- P(i);
- Try
- Q(H);XP(h)
- Threat
- QAR1(H),XP(d)
- Vars
- B(g);CHECK,OGATE,XS(F)::QAB(H),XB(g)
- Refutation
- B(f);XQ(H)
- Try
- Actual
- R(C);
- Threat
- R(C)
- Vars
- B(f);OGATE,XP(D)::QAB(H)
- B(f);OGATE,XP(E)::QAB(H)
- P(c);OGATEB,XR(C)::QAR(H)
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).