MESON Chess Problem Database
Problem Display
PID: 266963 (8/n1pBN3/3k4/1qr2Q1K/1B6/2b2n1p/1N2R3/3r4 w - - 0 1)
Stanley, Cyril (Kipping, Cyril Stanley)
The Problemist, 1955
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Bxc5#
- 1...Qd3
- 2.Bxc5#
- 1...Qa4
- 2.Sc4#
- 2.Bxc5#
- 1...Qc4
- 2.Sxc4#
- 1...Qa6
- 2.Bxc5#
- 1...Qc6
- 2.Sc4#
- 1...Qxd7
- 2.Sc4#
- 2.Bxc5#
- 2.Qxc5#
- 1...Qa5
- 2.Sc4#
- 1...Qb6
- 2.Sc4#
- 1...Qb7
- 2.Sc4#
- 2.Bxc5#
- 1...Qb8
- 2.Sc4#
- 2.Bxc5#
- 1...Ra1
- 2.Qd5#
- 1...Rb1
- 2.Qd5#
- 1...Rc1
- 2.Qd5#
- 1...Re1
- 2.Qd5#
- 1...Rf1
- 2.Qd5#
- 1...Rg1
- 2.Qd5#
- 1...Rh1
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Bd2
- 2.Qd5#
- 1...Bd4
- 2.Qd5#
- 1...Be5
- 2.Qe6#
- 1...Sd2
- 2.Qd5#
- 1...Sd4
- 2.Qd5#
- 1...Se5
- 2.Qe6#
- 1...Sc6
- 2.Sc8#
- 1...Sc8
- 2.Sxc8#
- 1...Qxe2
- Tries
- 1.Bxb5?
- threat
- 2.Sc4#
- 2.Bxc5#
- 2.Re6#
- 2.Qxc5#
- 1...Bxb2
- 2.Bxc5#
- 2.Re6#
- 2.Qxc5#
- 1...Bxb4
- 2.Re6#
- 1...Sxb5
- 2.Sc4#
- 2.Bxc5#
- 1...Be5
- 2.Qd7#
- 1...Se5
- 2.Qf6#
- 1...Re1
- 2.Sc4#
- 2.Bxc5#
- 2.Qxc5#
- 2.Qd5#
- 1...Rd4
- 2.Bxc5#
- 2.Re6#
- 2.Qxc5#
- 1...Rd5
- 2.Sc4#
- 2.Re6#
- 2.Qxd5#
- 1...Bd4
- 2.Sc4#
- 2.Re6#
- 2.Qd5#
- 1...Sd2
- 2.Bxc5#
- 2.Re6#
- 2.Qxc5#
- 2.Qd5#
- 1...Sd4
- 2.Sc4#
- 2.Bxc5#
- 2.Qxc5#
- 2.Qd5#
- 2.Qe5#
- 1...Sg5
- 2.Sc4#
- 2.Bxc5#
- 2.Qd7#
- 2.Qxc5#
- 1...Sc6
- 2.Sc4#
- 2.Sc8#
- 2.Bxc5#
- 1...c6!
- threat
- 1.Bxb5?
- Keys
- 1.Bc6!
- threat
- 2.Re6#
- 1...Qxe2
- 2.Bxc5#
- 1...Qxc6
- 2.Sc4#
- 1...Sxc6
- 2.Sc8#
- 1...Be5
- 2.Qd7#
- 1...Se5
- 2.Qf6#
- 1...Qc4
- 2.Sxc4#
- 1...Re1
- 2.Qd5#
- 1...Sd4
- 2.Qd5#
- 2.Qe5#
- 1...Sg5
- 2.Qd7#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(e);N_GUARD,XR(B)::B(C),XR(f)
- Q(e);N_GUARD::B(C),XR(f)
- Q(e);N_GUARD::S(A),XQ(e)
- Q(e);N_GUARD::S(A)
- R(a);N_GUARD::QAR1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- B(b);S_CUTR(a)::QAR1(D)
- B(b);N_PINQ(D)::QAR1(D)
- S(c);S_CUTR(a)::QAR1(D)
- S(c);N_PINQ(D)::QAR1(D)
- S(h);N_GUARD::S(G)
- S(h);N_GUARD::S(G),XS(h)
- Tries
- Try
- B(F);XQ(e)
- Threat
- DUALS(4)
- Vars
- B(b);N_SPINR(f),XB(C)::R1(B)
- B(b);N_PINQ(D)::QAR1(D)
- S(c);N_PINQ(D)::QAR2(D)
- Refutation
- P(i);
- Try
- Actual
- B(F);
- Threat
- R1(B)
- Vars
- Q(e);N_GUARD,XR(B)::B(C),XR(f)
- Q(e);N_GUARD,XB(F)::S(A)
- S(h);N_GUARD,SBLOCK,XB(F)::S(G)
- B(b);N_PINQ(D)::QAR1(D)
- S(c);N_PINQ(D)::QAR2(D)
- Q(e);N_GUARD::S(A),XQ(e)
- R(a);N_GUARD::QAR1(D)
- S(c);N_PINQ(D)::QAR1(D)
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).