MESON Chess Problem Database
Problem Display
PID: 8067 (8/K1p5/2k2Np1/2P4q/P3P3/3NQPp1/n5B1/8 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Qxf3
- 2.Se5#
- 1...Qg4
- 2.Se5#
- 1...Qh1
- 2.Se5#
- 1...Qh2
- 2.Se5#
- 1...Qh3
- 2.Se5#
- 1...Qh4
- 2.Se5#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qd5
- 2.exd5#
- 1...Qe5
- 2.Sxe5#
- 1...Qh6
- 2.Se5#
- 1...Qh7
- 2.Se5#
- 1...Qh8
- 2.Se5#
- 1...Sc1
- 2.Sb4#
- 1...Sc3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...g5
- 2.Se5#
- 1...Qxf3
- Tries
- 1.Bh3?
- threat
- 2.Bd7#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qxh3
- 2.Se5#
- 1...Qg4
- 2.Se5#
- 1...Qd5
- 2.exd5#
- 1...Qh7
- 2.Se5#
- 1...Qf5!
- threat
- 1.Qd4?
- threat
- 2.Qd7#
- 1...Qxc5+
- 2.Qxc5#
- 1...Qg4
- 2.Se5#
- 2.Qd5#
- 1...Qh3
- 2.Se5#
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 2.exd5#
- 1...Qh7
- 2.Se5#
- 2.Qd5#
- 1...Qf5!
- threat
- 1.Qg5?
- 1...Qxf3
- 2.Qd5#
- 1...Qg4
- 2.Qd5#
- 1...Qh1
- 2.Qd5#
- 1...Qh2
- 2.Qd5#
- 1...Qh3
- 2.Qd5#
- 1...Qh4
- 2.Qd5#
- 1...Qh6
- 2.Qd5#
- 1...Qh7
- 2.Qd5#
- 1...Qh8
- 2.Qd5#
- 1...Sc1
- 2.Sb4#
- 1...Sc3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Qxg5!
- 1...Qxf3
- 1.e5?
- threat
- 2.Qe4#
- 1...Qxf3
- 2.Bxf3#
- 2.Qxf3#
- 1...Qxe5
- 2.Sxe5#
- 1...Qg4
- 2.fxg4#
- 1...Qh4
- 2.f4#
- 1...Sc3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Qf5!
- threat
- 1.Bh3?
- Keys
- 1.f4!
- 1...Qxc5+
- 2.Qxc5#
- 1...Qf5
- 2.exf5#
- 1...Qd1
- 2.Se5#
- 1...Qe2
- 2.Se5#
- 1...Qf3
- 2.Se5#
- 1...Qg4
- 2.Se5#
- 1...Qh1
- 2.Se5#
- 1...Qh2
- 2.Se5#
- 1...Qh3
- 2.Se5#
- 1...Qh4
- 2.Se5#
- 2.e5#
- 1...Qd5
- 2.exd5#
- 1...Qe5
- 2.Sxe5#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.Se5#
- 2.e5#
- 1...Qh7
- 2.Se5#
- 2.e5#
- 1...Qh8
- 2.Se5#
- 2.e5#
- 1...Sc1
- 2.Sb4#
- 1...Sc3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...g5
- 2.Se5#
- 1...Qxc5+
- 1.f4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(c);N_GUARD,XP(D)::S(B)
- Q(c);N_GUARD::S(B)
- Q(c);CHECK,OGATE,XP(G)::QAR1(C),XQ(c)
- Q(c);OGATE::P(F),XQ(c)
- Q(c);N_GUARD::S(B),XQ(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);S_CUTQ(c)::S(B)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR1(C),XQ(c)
- Q(c);N_GUARD,XB(A)::S(B)
- Q(c);N_GUARD::S(B)
- Q(c);OGATE::P(F),XQ(c)
- Refutation
- Q(c);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR1(C),XQ(c)
- Refutation
- Q(c);
- Try
- Q(C);
- Vars
- Q(c);N_GUARD,XP(D)::QAB1(C)
- Q(c);N_GUARD::QAB1(C)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- Q(c);XQ(C)
- Try
- P(F);
- Threat
- QAB(C)
- Vars
- Q(c);XP(F)::S(B),XQ(c)
- Q(c);OGATE::B(A)+P(D),XQ(c)
- Q(c);N_GUARD::B(A)+P(D)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Refutation
- Q(c);
- Try
- Actual
- P(D);
- Vars
- Q(c);CHECK,OGATE,XP(G)::QAR1(C),XQ(c)
- Q(c);OGATE::B(A)+P(F),XQ(c)
- Q(c);N_GUARD::S(B)
- Q(c);OGATE::P(F),XQ(c)
- Q(c);N_GUARD::S(B),XQ(c)
- Q(c);N_GUARD::B(A)+P(F)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(e);S_CUTQ(c)::S(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).