MESON Chess Problem Database
Problem Display
PID: 66901 (2q2NBK/n6Q/P1k5/P2R4/1B6/3p4/8/8 w - - 0 1)
Williams, Philip Hamilton
Devon and Exeter Gazette, 1906
#2
8 + 4
| 16 | Chess Amateur (The) | 1922 |
| 3310 | 2345 Chess Problems | 1997 |
| 15351 | SCPF/BCPS Black Books | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Qg4
- 2.Qb7#
- 1...Qf5
- 2.Qb7#
- 1...Qxa6
- 2.Qd7#
- 1...Qe6
- 2.Qb7#
- 1...Qb7
- 2.Qxb7#
- 1...Qd7
- 2.Qxd7#
- 1...Qa8
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Qb7#
- 1...Qxf8
- 2.Qb7#
- 2.Qd7#
- 1...d2
- 2.Qc2#
- 1...Qg4
- Tries
- 1.Re5?
- 1...Qxa6
- 2.Qd7#
- 1...Qxf8
- 2.Qb7#
- 1...Qd7
- 2.Qxd7#
- 1...Qc7
- 2.Qe4#
- 2.Qh1#
- 1...Qg4
- 2.Qb7#
- 1...Qf5
- 2.Qb7#
- 1...Qe6
- 2.Qb7#
- 1...Qb7
- 2.Qxb7#
- 1...Qa8
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Qb7#
- 1...Sb5
- 2.Bd5#
- 1...d2
- 2.Qc2#
- 1...Qh3!
- 1...Qxa6
- 1.Rf5?
- 1...Qxf5
- 2.Qb7#
- 1...Qxa6
- 2.Qd7#
- 1...Qxf8
- 2.Qb7#
- 1...Qd7
- 2.Qxd7#
- 1...Qc7
- 2.Qh1#
- 1...Qe6
- 2.Qb7#
- 1...Qb7
- 2.Qxb7#
- 1...Qa8
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Qb7#
- 1...Sb5
- 2.Bd5#
- 1...d2!
- 1...Qxf5
- 1.Rg5?
- 1...Qxa6
- 2.Qd7#
- 1...Qxf8
- 2.Qb7#
- 1...Qf5
- 2.Qb7#
- 1...Qd7
- 2.Qxd7#
- 1...Qc7
- 2.Qe4#
- 2.Qh1#
- 1...Qg4
- 2.Qb7#
- 1...Qe6
- 2.Qb7#
- 1...Qb7
- 2.Qxb7#
- 1...Qa8
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Qb7#
- 1...Sb5
- 2.Bd5#
- 1...d2
- 2.Qc2#
- 1...Qh3!
- 1...Qxa6
- 1.Qg6+?
- 1...Kc7
- 2.Qb6#
- 2.Qd6#
- 1...Qe6!
- 1...Kc7
- 1.Qh6+?
- 1...Kc7
- 2.Qb6#
- 2.Qd6#
- 1...Qe6!
- 1...Kc7
- 1.Qxa7?
- threat
- 2.Qc5#
- 2.Qb6#
- 1...Qxa6
- 2.Qd7#
- 1...Qxf8
- 2.Qb6#
- 2.Qb7#
- 2.Qd7#
- 1...Qe6
- 2.Qc5#
- 2.Qb7#
- 1...Qb7
- 2.Qc5#
- 2.Qxb7#
- 1...Qc7
- 2.Qc5#
- 1...Qb8
- 2.Qc5#
- 2.Qd7#
- 1...Qd8
- 2.Qc5#
- 2.Qb7#
- 1...Qh3+!
- threat
- 1.Qe7?
- threat
- 2.Rc5#
- 2.Qc5#
- 2.Qd6#
- 1...Qxa6
- 2.Rc5#
- 2.Qd7#
- 1...Qxf8
- 2.Rc5#
- 2.Qb7#
- 2.Qd7#
- 1...Qe6
- 2.Rc5#
- 2.Qc5#
- 2.Qb7#
- 1...Qd7
- 2.Rc5#
- 2.Qc5#
- 2.Qxd7#
- 1...Qc7
- 2.Rc5#
- 2.Qc5#
- 1...Qf5
- 2.Qc5#
- 2.Qd6#
- 2.Qb7#
- 1...Qb8
- 2.Rc5#
- 2.Qc5#
- 2.Qd7#
- 1...Qd8
- 2.Rc5#
- 2.Qc5#
- 2.Qb7#
- 1...Sb5
- 2.Rc5#
- 2.Qc5#
- 1...Qh3+!
- threat
- 1.Re5?
- Keys
- 1.Rh5!
- 1...Qxa6
- 2.Qd7#
- 1...Qxf8
- 2.Qb7#
- 1...Qf5
- 2.Qb7#
- 1...Qd7
- 2.Qxd7#
- 1...Qc7
- 2.Qe4#
- 1...Qh3
- 2.Qb7#
- 1...Qg4
- 2.Qb7#
- 1...Qe6
- 2.Qb7#
- 1...Qb7
- 2.Qxb7#
- 1...Qa8
- 2.Qd7#
- 1...Qb8
- 2.Qd7#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Qb7#
- 1...Sb5
- 2.Bd5#
- 1...d2
- 2.Qc2#
- 1...Qxa6
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(d);N_GUARD::QAB1(E)
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- P(a);OGATE::QAR(E)
- Tries
- Try
- R(C);
- Vars
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);N_GUARD,P_PINB(G),XS(F)::QAB1(E)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- Q(d);N_GUARD::QAB1(E)
- S(c);SBLOCK::B(G)
- P(a);OGATE::QAR(E)
- Refutation
- Q(d);P_PINQ(E)
- Try
- R(C);
- Vars
- Q(d);N_GUARD,XR(C)::QAB1(E)
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);N_GUARD,P_PINB(G),XS(F)::QAB1(E)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- Q(d);SBLOCK::QAB(E)
- Q(d);N_GUARD::QAB1(E)
- S(c);SBLOCK::B(G)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);N_GUARD,P_PINB(G),XS(F)::QAB1(E)
- Q(d);N_GUARD::QAB1(E)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- S(c);SBLOCK::B(G)
- P(a);OGATE::QAR(E)
- Refutation
- Q(d);P_PINQ(E)
- Try
- Q(E);CHECK
- Refutation
- Q(d);P_SPINQ(d)
- Try
- Q(E);CHECK
- Refutation
- Q(d);P_SPINQ(d)
- Try
- Q(E);XS(c)
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);SBLOCK::QAR1(E)
- Refutation
- Q(d);CHECK
- Try
- Q(E);
- Threat
- DUALS(3)
- Refutation
- Q(d);CHECK
- Try
- Actual
- R(C);
- Vars
- Q(d);N_GUARD,XP(D)::QAB1(E)
- Q(d);N_GUARD,P_PINB(G),XS(F)::QAB1(E)
- Q(d);N_GUARD::QAB1(E)
- Q(d);N_GUARD::QAB1(E),XQ(d)
- Q(d);SBLOCK::QAB(E)
- S(c);SBLOCK::B(G)
- P(a);OGATE::QAR(E)
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).