MESON Chess Problem Database
Problem Display
PID: 99193 (5K2/p1NR4/1kPN4/p4Qp1/1b6/1R1p4/3q1r2/2rb2BB w - - 0 1)
Janosi, Ervin
Magyar Sakkelet, 1977
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sc8#
- 1...Bf3
- 2.Qb5#
- 1...a6
- 2.Sa8#
- 1...Rc5
- Tries
- 1.Kg8?
- threat
- 2.Sc8#
- 2.Qb5#
- 1...Rxc6
- 2.Qb5#
- 1...Bf3
- 2.Qb5#
- 1...a6
- 2.Sc8#
- 2.Sa8#
- 1...Rc5
- 2.Sc8#
- 1...Bxb3+!
- threat
- 1.Bxf2+?
- 1...Qe3
- 2.Qb5#
- 1...Rc5
- 2.Sc4#
- 2.Sc8#
- 2.Bxc5#
- 2.Qxc5#
- 1...Qxf2!
- 1...Qe3
- 1.Bf3?
- threat
- 2.Qb5#
- 1...a6
- 2.Sa8#
- 1...Rc5
- 2.Sc8#
- 1...Qf4!
- threat
- 1.Rxb4+?
- 1...axb4
- 2.Sc8#
- 1...Qxb4!
- 1...axb4
- 1.Re7?
- threat
- 2.Sc8#
- 1...Bf3
- 2.Qb5#
- 1...Rxc6!
- threat
- 1.Kg8?
- Keys
- 1.Rf7!
- threat
- 2.Qb5#
- 1...a6
- 2.Sa8#
- 1...Rc5
- 2.Sc8#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(a);N_PINS(F),N_SPINR(d)::S(F)
- B(b);N_PINQ(D)::QAR1(D)
- P(j);SBLOCK::S(G)
- Tries
- Try
- K(I);N_SPINQ(D),N_SPINS(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);XP(E)::QAR1(D)
- B(b);::QAR1(D)
- R(a);N_SPINR(d)::S(F)
- Refutation
- B(b);CHECK,N_SPINB(f),XR(C)
- Try
- B(A);CHECK,N_SPINQ(D),XR(d)
- Vars
- Q(c);P_SPINQ(c)::QAR1(D)
- Refutation
- Q(c);P_PINQ(D),XB(A)
- Try
- B(B);N_SPINQ(D)
- Threat
- QAR1(D)
- Vars
- P(j);SBLOCK::S(G)
- R(a);N_PINS(F),N_SPINR(d)::S(F)
- Refutation
- Q(c);P_PINQ(D)
- Try
- R(C);CHECK,N_SPINS(F),XB(f)
- Vars
- P(g);XR(C)::S(F)
- Refutation
- Q(c);P_PINS(F),XR(C)
- Try
- R(H);N_SPINS(F)
- Threat
- S(F)
- Vars
- B(b);N_PINQ(D)::QAR1(D)
- Refutation
- R(a);XP(E)
- Try
- Actual
- R(H);N_SPINQ(D)
- Threat
- QAR1(D)
- Vars
- P(j);SBLOCK::S(G)
- R(a);N_PINS(F),N_SPINR(d)::S(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).