MESON Chess Problem Database
Problem Display
PID: 158554 (5B1K/2b3n1/b4P2/Np2k1Pp/3R4/3Q4/B1q1N1p1/2R5 w - - 0 1)
Stanley, Charles Henry
Chess, 1955
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sc6#
- 2.Rc5#
- 1...Qd1
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qxd3
- 2.Rc5#
- 1...Qa4
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Qxc1
- 2.Qe4#
- 1...Qxa2
- 2.Qe4#
- 1...Qb2
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Qd2
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Qxe2
- 2.Sc6#
- 2.Rc5#
- 1...Qc3
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qc5
- 2.Rxc5#
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 1...Bxa5
- 2.Bd6#
- 1...Bb6
- 2.Bd6#
- 1...Bd6
- 2.Bxd6#
- 1...Bd8
- 2.Bd6#
- 1...Sf5
- 2.Re4#
- 1...Se6
- 2.Rd5#
- 1...Qb1
- Tries
- 1.Sg3?
- threat
- 2.Re4#
- 1...Qxd3
- 2.Sc6#
- 1...Qc4
- 2.Re1#
- 2.Qe4#
- 2.Qe3#
- 1...Qa4
- 2.Sc6#
- 2.Re1#
- 2.Rc5#
- 2.Qe4#
- 2.Qe3#
- 1...Qe2
- 2.Sc6#
- 2.Rc5#
- 1...Qc6
- 2.Sxc6#
- 1...Bb7!
- threat
- 1.Sf4?
- threat
- 2.Sg6#
- 1...Qxa2
- 2.Sc6#
- 2.Qe4#
- 1...Qb3
- 2.Sc6#
- 2.Re1#
- 2.Qe4#
- 1...Qc4
- 2.Re1#
- 2.Qe4#
- 1...Qxd3!
- threat
- 1.Bf7?
- threat
- 2.Rd5#
- 1...Qxd3
- 2.Rc5#
- 1...Qxe2
- 2.Sc6#
- 2.Rc5#
- 1...Qb3
- 2.Sc6#
- 2.Qe4#
- 1...Qa2
- 2.Sc6#
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qc5
- 2.Rxc5#
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 1...Bb7!
- threat
- 1.Bg8?
- threat
- 2.Rd5#
- 1...Qxd3
- 2.Rc5#
- 1...Qxe2
- 2.Sc6#
- 2.Rc5#
- 1...Qb3
- 2.Sc6#
- 2.Qe4#
- 1...Qa2
- 2.Sc6#
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qc5
- 2.Rxc5#
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 1...Bb7!
- threat
- 1.Bxg7?
- threat
- 2.f7#
- 1...Qxd3
- 2.Rc5#
- 1...Qxa2
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 1...Bd8!
- threat
- 1.Rxc2?
- threat
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Bxa5
- 2.Bd6#
- 2.Rc5#
- 2.Qe4#
- 1...Bb6
- 2.Sc6#
- 2.Bd6#
- 2.Qe4#
- 1...Bd6
- 2.Sc6#
- 2.Bxd6#
- 2.Qe4#
- 1...Se6
- 2.Sc6#
- 2.Rd5#
- 2.Qe4#
- 1...Bb7!
- threat
- 1.Rf4?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Qxd3
- 2.Sc6#
- 1...Qxa2
- 2.Qe4#
- 1...Qxe2
- 2.Qd4#
- 1...Qb3
- 2.Qe4#
- 1...g1Q
- 2.Qd5#
- 1...g1B
- 2.Qd5#
- 1...Qd1
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 2.Qe3#
- 1...Qa4
- 2.Sc6#
- 2.Rc5#
- 2.Qd5#
- 1...Qb2
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 2.Qe3#
- 2.Qd5#
- 1...Qd2
- 2.Sc6#
- 2.Rc5#
- 2.Qe4#
- 1...Qc3
- 2.Qe4#
- 2.Qxc3#
- 2.Qd5#
- 1...Qc5
- 2.Rxc5#
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 2.Qd4#
- 1...Bb7
- 2.Qd4#
- 1...Bb6
- 2.Bd6#
- 2.Qd5#
- 2.Qd6#
- 1...Sf5
- 2.Re4#
- 2.Rxf5#
- 2.Qd5#
- 1...Se6
- 2.Rf5#
- 2.Qd5#
- 1...Qc4!
- threat
- 1.Qxc2?
- threat
- 2.Sc6#
- 2.Qe4#
- 2.Qc5#
- 1...Bxa5
- 2.Bd6#
- 2.Qe4#
- 2.Qc5#
- 1...Bb6
- 2.Sc6#
- 2.Bd6#
- 2.Qe4#
- 1...Bd6
- 2.Sc6#
- 2.Bxd6#
- 2.Qe4#
- 1...Se6
- 2.Sc6#
- 2.Rd5#
- 2.Qe4#
- 1...Bb7!
- threat
- 1.Qxb5+?
- 1...Qc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Bxb5!
- 1...Qc5
- 1.Qe3+?
- 1...Qe4
- 2.Rc5#
- 2.Qxe4#
- 1...Kf5!
- 1...Qe4
- 1.Qf3?
- threat
- 2.Qd5#
- 2.Qf4#
- 1...Qxc1
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Qxa2
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Qf5
- 2.Sc6#
- 2.Rc5#
- 2.Qd5#
- 1...Qd2
- 2.Sc6#
- 2.Rc5#
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Qc5
- 2.Rxc5#
- 2.Re4#
- 2.Qe4#
- 2.Qf4#
- 1...Qc6
- 2.Sxc6#
- 2.Qf4#
- 1...Bb7
- 2.Qf4#
- 1...Se6
- 2.Rd5#
- 2.Qd5#
- 1...Qh7+!
- threat
- 1.Sg3?
- Keys
- 1.f7!
- threat
- 2.Bxg7#
- 1...Qxd3
- 2.Rc5#
- 1...Qxa2
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qc4
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 1...Bd8
- 2.Bd6#
- 1...Sf5
- 2.Re4#
- 1...Se6
- 2.Rd5#
- 1...Se8
- 2.fxe8Q#
- 2.fxe8R#
- threat
- 1.f7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD::QAR1(D)
- Q(a);OGATE,XQ(D)::R(A)
- Q(a);N_GUARD,XR(A)::QAR1(D)
- Q(a);N_GUARD,XB(B)::QAR1(D)
- Q(a);N_GUARD::S(F),XQ(a)
- B(g);N_GUARD,XS(F)::B(I)
- B(g);N_GUARD::B(I)
- B(g);N_GUARD::B(I),XB(g)
- S(h);SBLOCK::R1(E)
- Tries
- Try
- S(C);
- Threat
- R1(E)
- Vars
- Q(a);N_GUARD,XQ(D)::S(F)
- Q(a);N_GUARD::S(F),XQ(a)
- Refutation
- B(f);
- Try
- S(C);
- Threat
- S(C)
- Refutation
- Q(a);XQ(D)
- Try
- B(B);
- Threat
- R1(E)
- Vars
- Q(a);OGATE,XQ(D)::R(A)
- Q(a);N_GUARD::QAR1(D)
- Q(a);N_GUARD::S(F),XQ(a)
- Refutation
- B(f);
- Try
- B(B);
- Threat
- R1(E)
- Vars
- Q(a);OGATE,XQ(D)::R(A)
- Q(a);N_GUARD::QAR1(D)
- Q(a);N_GUARD::S(F),XQ(a)
- Refutation
- B(f);
- Try
- B(I);XS(h)
- Threat
- B(I)+P(H)
- Vars
- Q(a);OGATE,XQ(D)::R(A)
- Q(a);N_GUARD,XB(B)::QAR1(D)
- Q(a);N_GUARD::QAR1(D)
- Q(a);N_GUARD::S(F),XQ(a)
- Refutation
- B(g);
- Try
- R(A);XQ(a)
- Threat
- DUALS(3)
- Refutation
- B(f);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XQ(D)::S(F)
- Q(a);N_GUARD,XB(B)::QAR1(D)
- Q(a);XS(C)::QAB1(D)
- Q(a);N_GUARD::QAR1(D)
- P(b);::QAR1(D)
- B(f);::QAB1(D)
- Refutation
- Q(a);
- Try
- Q(D);XQ(a)
- Threat
- DUALS(3)
- Refutation
- B(f);
- Try
- Q(D);CHECK,XP(c)
- Refutation
- B(f);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XB(B)::QAR1(D)
- Q(a);N_GUARD::QAR1(D)
- B(f);::QAB1(D)
- Refutation
- Q(a);CHECK
- Try
- Actual
- P(H);
- Threat
- B(I),XS(h)
- Vars
- Q(a);OGATE,XQ(D)::R(A)
- Q(a);N_GUARD,XB(B)::QAR1(D)
- Q(a);N_GUARD::QAR1(D)
- Q(a);N_GUARD::S(F),XQ(a)
- B(g);N_GUARD::B(I)
- S(h);SBLOCK::R1(E)
- S(h);OGATE::PXS(h)=Q
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).