MESON Chess Problem Database
Problem Display
PID: 9427 (4N3/8/4N2q/1Kn1pk1p/2Q5/5B2/6R1/8 w - - 0 1)
Wynne, Frank Wilson
1st Prize, Birmingham News, 1903
#2
6 + 5
| 5501 | Chess Cameos | 1936 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.S6g7#
- 1...Qd2
- 2.S6g7#
- 1...Qe3
- 2.S6g7#
- 1...Qf4
- 2.S6g7#
- 1...Qg5
- 2.Rxg5#
- 1...Qg7
- 2.S6xg7#
- 1...Qf8
- 2.Rg5#
- 1...Qf6
- 2.Sd6#
- 1...Qh7
- 2.Rg5#
- 1...Qh8
- 2.Rg5#
- 1...Sb3
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sa6
- 2.Be4#
- 1...Sxe6
- 2.Qe4#
- 1...Sb7
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...e4
- 2.Qd5#
- 1...h4
- 2.Qg4#
- 1...Qc1
- Tries
- 1.Sd4+?
- 1...Kf4
- 2.Qc1#
- 1...exd4!
- 1...Kf4
- 1.Bg4+?
- 1...hxg4
- 2.Qxg4#
- 1...Kg6!
- 1...hxg4
- 1.Bd5?
- 1...Qxe6
- 2.Qf1#
- 1...Sxe6
- 2.Qe4#
- 1...Qg5
- 2.Rxg5#
- 1...Qc1
- 2.S6g7#
- 1...Qd2
- 2.S6g7#
- 1...Qe3
- 2.S6g7#
- 1...Qf4
- 2.S6g7#
- 1...Qg7
- 2.S6xg7#
- 2.Qf1#
- 1...Qf8
- 2.Rg5#
- 2.Qf1#
- 1...Qf6
- 2.Sd6#
- 2.Qf1#
- 1...Qg6
- 2.Rf2#
- 2.Qf1#
- 1...Qh7
- 2.Rg5#
- 2.Qf1#
- 1...Qh8
- 2.Rg5#
- 2.Qf1#
- 1...Sb3
- 2.Be4#
- 2.Qe4#
- 1...Sd3
- 2.Be4#
- 2.Qe4#
- 1...Sa4
- 2.Be4#
- 2.Qe4#
- 1...Se4
- 2.Bxe4#
- 2.Qxe4#
- 1...Sa6
- 2.Be4#
- 2.Qe4#
- 1...Sb7
- 2.Be4#
- 2.Qe4#
- 1...Sd7
- 2.Be4#
- 2.Qe4#
- 1...h4
- 2.Qg4#
- 1...e4!
- 1...Qxe6
- 1.Bxh5?
- threat
- 2.Qg4#
- 1...Qxh5
- 2.S6g7#
- 1...e4
- 2.Qd5#
- 1...Qf4
- 2.S6g7#
- 2.Bg6#
- 1...Qg5
- 2.Rxg5#
- 1...Qg7
- 2.S6xg7#
- 2.Rf2#
- 1...Qg6
- 2.Bxg6#
- 2.Rf2#
- 1...Se4!
- threat
- 1.Bb7?
- 1...Qxe6
- 2.Qf1#
- 1...Sxe6
- 2.Qe4#
- 1...Qg5
- 2.Rxg5#
- 1...e4
- 2.Qd5#
- 1...Qc1
- 2.S6g7#
- 1...Qd2
- 2.S6g7#
- 1...Qe3
- 2.S6g7#
- 1...Qf4
- 2.S6g7#
- 1...Qg7
- 2.S6xg7#
- 1...Qf8
- 2.Rg5#
- 1...Qf6
- 2.Sd6#
- 1...Qg6
- 2.Rf2#
- 1...Qh7
- 2.Rg5#
- 1...Qh8
- 2.Rg5#
- 1...Sb3
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sa6
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...h4
- 2.Qg4#
- 1...Sxb7!
- 1...Qxe6
- 1.Ba8?
- 1...Qxe6
- 2.Qf1#
- 1...Sxe6
- 2.Qe4#
- 1...Qg5
- 2.Rxg5#
- 1...e4
- 2.Qd5#
- 1...Qc1
- 2.S6g7#
- 1...Qd2
- 2.S6g7#
- 1...Qe3
- 2.S6g7#
- 1...Qf4
- 2.S6g7#
- 1...Qg7
- 2.S6xg7#
- 1...Qf8
- 2.Rg5#
- 1...Qf6
- 2.Sd6#
- 1...Qg6
- 2.Rf2#
- 1...Qh7
- 2.Rg5#
- 1...Qh8
- 2.Rg5#
- 1...Sb3
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sa6
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...h4
- 2.Qg4#
- 1...Sb7!
- 1...Qxe6
- 1.Sd4+?
- Keys
- 1.Bc6!
- 1...Qxe6
- 2.Qf1#
- 1...Sxe6
- 2.Qe4#
- 1...Qg5
- 2.Rxg5#
- 1...e4
- 2.Qd5#
- 1...Qc1
- 2.S6g7#
- 1...Qd2
- 2.S6g7#
- 1...Qe3
- 2.S6g7#
- 1...Qf4
- 2.S6g7#
- 1...Qg7
- 2.S6xg7#
- 1...Qf8
- 2.Rg5#
- 1...Qf6
- 2.Sd6#
- 1...Qg6
- 2.Rf2#
- 1...Qh7
- 2.Rg5#
- 1...Qh8
- 2.Rg5#
- 1...Sb3
- 2.Be4#
- 1...Sd3
- 2.Be4#
- 1...Sa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sa6
- 2.Be4#
- 1...Sb7
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...h4
- 2.Qg4#
- 1...Qxe6
- 1.Bc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(e);N_GUARD::S(E)
- Q(e);N_GUARD::R1(A),XQ(e)
- Q(e);N_GUARD::S(E),XQ(e)
- Q(e);N_GUARD::R1(A)
- Q(e);SBLOCK::S(F)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD,SBLOCK,XS(E)::QAB1(C)
- P(b);OGATEB::QAR2(C)
- P(d);N_GUARD::QAB1(C)
- Tries
- Try
- S(E);CHECK
- Vars
- K(c);P-FLIGHT::QAB(C)
- Refutation
- P(b);XS(E)
- Try
- B(B);CHECK
- Vars
- P(d);OGATE,XB(B)::QAB1(C),XP(d)
- Refutation
- K(c);S_FLIGHT
- Try
- B(B);
- Vars
- Q(e);N_GUARD,XS(E)::QAR(C)
- S(a);N_GUARD,XS(E)::QAB1(C)
- Q(e);N_GUARD::R1(A),XQ(e)
- Q(e);N_GUARD::S(E)
- P(d);N_GUARD::QAB1(C)
- Refutation
- P(b);
- Try
- B(B);XP(d)
- Threat
- QAB1(C)
- Vars
- Q(e);N_GUARD,XB(B)::S(E)
- P(b);OGATEB::QAR2(C)
- Q(e);N_GUARD::R1(A),XQ(e)
- Refutation
- S(a);
- Try
- B(B);
- Vars
- Q(e);N_GUARD,SBLOCK,XS(E)::QAR(C)
- S(a);N_GUARD,SBLOCK,XS(E)::QAB1(C)
- Q(e);N_GUARD::R1(A),XQ(e)
- P(b);OGATEB::QAR2(C)
- Q(e);N_GUARD::S(E)
- Q(e);N_GUARD::S(E),XQ(e)
- Q(e);N_GUARD::R1(A)
- Q(e);SBLOCK::S(F)
- Q(e);N_GUARD,SBLOCK::R(A)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- P(d);N_GUARD::QAB1(C)
- Refutation
- S(a);XB(B)
- Try
- B(B);
- Vars
- Q(e);N_GUARD,SBLOCK,XS(E)::QAR(C)
- S(a);N_GUARD,SBLOCK,XS(E)::QAB1(C)
- Q(e);N_GUARD::R1(A),XQ(e)
- P(b);OGATEB::QAR2(C)
- Q(e);N_GUARD::S(E)
- Q(e);N_GUARD::S(E),XQ(e)
- Q(e);N_GUARD::R1(A)
- Q(e);SBLOCK::S(F)
- Q(e);N_GUARD,SBLOCK::R(A)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- P(d);N_GUARD::QAB1(C)
- Refutation
- S(a);
- Try
- Actual
- B(B);
- Vars
- Q(e);N_GUARD,SBLOCK,XS(E)::QAR(C)
- S(a);N_GUARD,SBLOCK,XS(E)::QAB1(C)
- Q(e);N_GUARD::R1(A),XQ(e)
- P(b);OGATEB::QAR2(C)
- Q(e);N_GUARD::S(E)
- Q(e);N_GUARD::S(E),XQ(e)
- Q(e);N_GUARD::R1(A)
- Q(e);SBLOCK::S(F)
- Q(e);N_GUARD,SBLOCK::R(A)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- P(d);N_GUARD::QAB1(C)
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).