MESON Chess Problem Database
Problem Display
PID: 634 (k7/pq1N4/3R3K/8/8/8/6B1/8 w - - 0 1)
Daniel, Arthur William
British Chess Magazine, 1906
#2
4 + 3
| 2012 | Miniature Chess Problems from Many Countries | 1981 |
| 3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
| 145 | StrateGems | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qf3
- Tries
- 1.Kg5?
- 1...Qd5+
- 2.Bxd5#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2+!
- 1...Qd5+
- 1.Kh5?
- 1...Qf3+
- 2.Bxf3#
- 1...Qd5+
- 2.Bxd5#
- 1...Qe4
- 2.Bxe4#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2!
- 1...Qf3+
- 1.Kg6?
- 1...Qe4+
- 2.Bxe4#
- 1...Qf3
- 2.Bxf3#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2+!
- 1...Qe4+
- 1.Kg7?
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2+!
- 1...Qf3
- 1.Kh7?
- 1...Qe4+
- 2.Bxe4#
- 1...Qf3
- 2.Bxf3#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2!
- 1...Qe4+
- 1.Bh1?
- 1...Qg2
- 2.Bxg2#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh1+!
- 1...Qg2
- 1.Bf3?
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxf3!
- 1...Qe4
- 1.Be4?
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxe4!
- 1...Qd5
- 1.Bd5?
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxd5!
- 1...Qc6
- 1.Ra6?
- 1...Qc6+
- 2.Bxc6#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qxg2!
- 1...Qc6+
- 1.Rb6?
- threat
- 2.Bxb7#
- 1...Qc6+
- 2.Bxc6#
- 1...Qxg2
- 2.Rb8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qf3
- 2.Bxf3#
- 2.Rb8#
- 1...Qe4
- 2.Bxe4#
- 2.Rb8#
- 1...Qd5
- 2.Bxd5#
- 2.Rb8#
- 1...axb6!
- threat
- 1.Re6?
- threat
- 2.Re8#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2!
- threat
- 1.Rf6?
- threat
- 2.Rf8#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2!
- threat
- 1.Rg6?
- threat
- 2.Rg8#
- 1...Qf3
- 2.Bxf3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bxc6#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg2!
- threat
- 1.Kg5?
- Keys
- 1.Rc6!
- threat
- 2.Rc8#
- 1...Qxc6+
- 2.Bxc6#
- 1...Qa6
- 2.Rxa6#
- 1...Qc8
- 2.Rxc8#
- 1...Qb6
- 2.Rxb6#
- 1...Qc7
- 2.Rxc7#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);OGATEB::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- K(C);P-FLIGHT
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);OGATEB::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- K(C);P-FLIGHT
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- K(C);P_SPINS(D),S_FLIGHT
- Vars
- Q(b);N_PINS(D),OGATEB::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);CHECK,N_PINS(D),N_SPINQ(b),XB(A)
- Try
- K(C);P-FLIGHT,P_SPINS(D)
- Vars
- Q(b);CHECK,N_PINS(D),OGATEB::B(A),XQ(b)
- Q(b);N_PINS(D),OGATEB::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_PINS(D),N_SPINQ(b),XB(A)
- Try
- B(A);
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XB(A)
- Try
- B(A);
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- B(A);
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- B(A);
- Vars
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- R(B);P_PINP(a)
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);OGATEB::B(A),XQ(b)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- R(B);
- Threat
- B(A),XQ(b)
- Vars
- Q(b);CHECK,OGATEB::B(A),XQ(b)
- Q(b);N_SPINQ(b),OGATE,XB(A)::R1(B)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- P(a);XR(B)
- Try
- R(B);
- Threat
- R(B)
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- R(B);
- Threat
- R(B)
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- R(B);
- Threat
- R(B)
- Vars
- Q(b);OGATEB::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(b);N_SPINQ(b),XB(A)
- Try
- Actual
- R(B);N_PINQ(b)
- Threat
- R(B)
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XR(B)::B(A),XQ(b)
- Q(b);OGATEB,P_PINR(B)::B(A)+R(B),XQ(b)
- Q(b);::B(A)+R(B),DCHECK,XQ(b)
- Q(b);OGATEB::B(A)+R(B),XQ(b)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
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).