MESON Chess Problem Database
Problem Display
PID: 158787 (R1r1B3/8/npN4Q/qk2nR2/1b6/pP6/2K5/8 w - - 0 1)
Segers, Marcel
Magyar Sakkvilag, 1932
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Rxe5#
- 1...Rxc6+
- 2.Qxc6#
- 1...Sc5
- 2.Sd4#
- 1...Kc5
- Tries
- 1.Rxe5+?
- 1...Sc5
- 2.Sd4#
- 1...Bc5!
- 1...Sc5
- 1.Qh4?
- threat
- 2.Qc4#
- 1...Bc5
- 2.Sa7#
- 1...Sc5
- 2.Sd4#
- 1...Kc5!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 1...Kc5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sc5
- 2.Sd4#
- 1...Bc5!
- threat
- 1.Rxe5+?
- Keys
- 1.Qf4!
- threat
- 2.Qc4#
- 1...Kc5
- 2.Qxe5#
- 1...Bc5
- 2.Sa7#
- 1...Sc5
- 2.Sd4#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(d);N_PINS(D),P-FLIGHT::R(C),XS(e)
- R(h);CHECK,OGATE,P_SPINR(h),XS(D)::QAB1(E),XR(h)
- S(f);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
- Tries
- Try
- R(C);CHECK,XS(e)
- Vars
- S(f);N_PINS(D),P_SPINS(f)::B(G)+S(D),DCHECK
- Refutation
- B(b);N_PINS(D),P_SPINB(b)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(b);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
- S(f);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
- Refutation
- K(d);N_PINS(D),P-FLIGHT
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- S(f);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
- Refutation
- B(b);N_PINS(D),N_SPINS(e)
- Try
- Actual
- Q(E);
- Threat
- QAB1(E)
- Vars
- K(d);N_PINS(D),P-FLIGHT::QAR2(E),XS(e)
- B(b);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
- S(f);N_PINS(D),N_SPINS(e),SBLOCK::B(G)+S(D),DCHECK
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).