MESON Chess Problem Database
Problem Display
PID: 287180 (K3N3/1B5P/4p3/2p1kpp1/p1PRP3/B1n1Q1P1/7q/8 w - - 0 1)
Paslack, Rainer
Problem-Forum, 2008
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...Qa2
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qg2
- 2.h8Q#
- 2.h8B#
- 1...Sd5
- 2.exd5#
- 1...cxd4
- 2.Bd6#
- 1...Qg1
- Tries
- 1.Bxc5?
- threat
- 2.Bd6#
- 1...fxe4
- 2.Qxg5#
- 1...Sb5!
- threat
- 1.Rd1?
- threat
- 2.Qxc3#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...Sxd1
- 2.Qxc5#
- 1...fxe4
- 2.Qxg5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Qxc5#
- 1...Sa2
- 2.Qxc5#
- 1...Se2
- 2.Qxc5#
- 1...Sb5
- 2.Qxc5#
- 1...Sd5
- 2.exd5#
- 1...Sxe4!
- threat
- 1.Rd5+?
- 1...Sxd5
- 2.exd5#
- 1...exd5!
- 1...Sxd5
- 1.Rd6?
- threat
- 2.Qxc3#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...fxe4
- 2.Qxg5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Qxc5#
- 1...Sd1
- 2.Qxc5#
- 1...Sa2
- 2.Qxc5#
- 1...Se2
- 2.Qxc5#
- 1...Sb5
- 2.Qxc5#
- 1...Sd5
- 2.exd5#
- 1...Sxe4!
- threat
- 1.Rd7?
- threat
- 2.Qxc3#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...fxe4
- 2.Qxg5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Qxc5#
- 1...Sd1
- 2.Qxc5#
- 1...Sa2
- 2.Qxc5#
- 1...Se2
- 2.Qxc5#
- 1...Sb5
- 2.Qxc5#
- 1...Sd5
- 2.exd5#
- 1...Sxe4!
- threat
- 1.Rd8?
- threat
- 2.Qxc3#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...fxe4
- 2.Qxg5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Qxc5#
- 1...Sd1
- 2.Qxc5#
- 1...Sa2
- 2.Qxc5#
- 1...Se2
- 2.Qxc5#
- 1...Sb5
- 2.Qxc5#
- 1...Sd5
- 2.exd5#
- 1...Sxe4!
- threat
- 1.Qxc3?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...cxd4
- 2.Bd6#
- 2.Qa5#
- 1...fxe4
- 2.Rd5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qb2
- 2.h8Q#
- 2.h8B#
- 1...Qc2
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.Rxd2#
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Qxg3!
- threat
- 1.exf5+?
- 1...Se4
- 2.Qxe4#
- 1...Kxf5!
- 1...Se4
- 1.Bxc5?
- Keys
- 1.Rd2!
- threat
- 2.Qxc3#
- 1...Qxg3
- 2.h8Q#
- 2.h8B#
- 1...Qxd2
- 2.h8Q#
- 2.h8B#
- 1...Sxe4
- 2.Bb2#
- 1...fxe4
- 2.Qxg5#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Sb1
- 2.Qxc5#
- 1...Sd1
- 2.Qxc5#
- 1...Sa2
- 2.Qxc5#
- 1...Se2
- 2.Qxc5#
- 1...Sb5
- 2.Qxc5#
- 1...Sd5
- 2.exd5#
- threat
- 1.Rd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- Q(a);N_GUARD::P=Q
- Q(a);N_GUARD,XP(C)::P=Q
- S(b);OGATE::QAR(B)+P(F),XS(b)
- P(d);OGATE,XR(E)::B(A)
- Tries
- Try
- B(A);XP(d)
- Threat
- B(A)
- Vars
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Refutation
- S(b);
- Try
- R(E);
- Threat
- QAB(B),XS(b)
- Vars
- Q(a);N_GUARD,XP(C)::P=Q
- S(b);N_GUARD,XR(E)::QAR2(B),XP(d)
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Q(a);N_GUARD::P=Q
- S(b);N_GUARD::QAR2(B),XP(d)
- S(b);OGATE::QAR(B)+P(F),XS(b)
- Refutation
- S(b);P_SPINS(b),XP(F)
- Try
- R(E);CHECK
- Vars
- S(b);OGATE,XR(E)::QAR(B)+P(F),XS(b)
- Refutation
- P(h);XR(E)
- Try
- R(E);
- Threat
- QAB(B),XS(b)
- Vars
- Q(a);N_GUARD,XP(C)::P=Q
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Q(a);N_GUARD::P=Q
- S(b);N_GUARD::QAR2(B),XP(d)
- S(b);OGATE::QAR(B)+P(F),XS(b)
- Refutation
- S(b);P_SPINS(b),XP(F)
- Try
- R(E);
- Threat
- QAB(B),XS(b)
- Vars
- Q(a);N_GUARD,XP(C)::P=Q
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Q(a);N_GUARD::P=Q
- S(b);N_GUARD::QAR2(B),XP(d)
- S(b);OGATE::QAR(B)+P(F),XS(b)
- Refutation
- S(b);P_SPINS(b),XP(F)
- Try
- R(E);
- Threat
- QAB(B),XS(b)
- Vars
- Q(a);N_GUARD,XP(C)::P=Q
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Q(a);N_GUARD::P=Q
- S(b);N_GUARD::QAR2(B),XP(d)
- S(b);OGATE::QAR(B)+P(F),XS(b)
- Refutation
- S(b);P_SPINS(b),XP(F)
- Try
- Q(B);XS(b)
- Threat
- DUALS(6)
- Vars
- P(f);SBLOCK,XP(F)::QAB(B)+R(E),DCHECK
- Q(a);N_GUARD::P=Q
- Refutation
- Q(a);XP(C)
- Try
- P(F);CHECK,XP(f)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR1(B),XS(b)
- Refutation
- K(e);P-FLIGHT,XP(F)
- Try
- Actual
- R(E);
- Threat
- QAB(B),XS(b)
- Vars
- Q(a);N_GUARD,XP(C)::P=Q
- Q(a);N_GUARD,XR(E)::P=Q
- S(b);OGATEB,P_SPINS(b),XP(F)::B(A)
- P(f);OGATEB,P_SPINP(f),XP(F)::QAR2(B),XP(g)
- Q(a);N_GUARD::P=Q
- S(b);N_GUARD::QAR2(B),XP(d)
- S(b);OGATE::QAR(B)+P(F),XS(b)
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).