MESON Chess Problem Database
Problem Display
PID: 259064 (1Qq2n2/1p2B3/2PRB2b/4k3/1p2Pr2/2PK1pP1/3P4/4R3 w - - 0 1)
Ashby, Albert
Western Morning News, 1923
(First published on Sat Feb 24 1923)
#2
11 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxe6
- 2.Rd5#
- 1...Qxc6
- 2.Rxc6#
- 1...Rxe4
- 2.Rxe4#
- 1...Sxe6
- 2.Rd5#
- 1...b5
- 2.Qxb5#
- 1...Qxe6
- Tries
- 1.Kc2?
- threat
- 2.d4#
- 1...Sxe6
- 2.Rd5#
- 1...b3+!
- threat
- 1.Bh3?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Qxh3
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Qxb8
- 2.Rd5#
- 1...Rxe4
- 2.Bf6#
- 2.Rxe4#
- 1...Qg4
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Qf5
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Qe6
- 2.Rd5#
- 2.Rxe6#
- 1...Qd7
- 2.Rd5#
- 2.Rxd7#
- 1...Qc7
- 2.Rd5#
- 1...Qd8
- 2.Rd5#
- 2.Rxd8#
- 1...Rg4
- 2.Bf6#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Rf5!
- threat
- 1.Bg4?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Qxg4
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Qxb8
- 2.Rd5#
- 1...Rxe4
- 2.Bf6#
- 2.Rxe4#
- 1...Rxg4
- 2.Bf6#
- 1...Qf5
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Qe6
- 2.Rd5#
- 2.Rxe6#
- 1...Qd7
- 2.Rd5#
- 2.Rxd7#
- 1...Qc7
- 2.Rd5#
- 1...Qd8
- 2.Rd5#
- 2.Rxd8#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Rf5!
- threat
- 1.Bf7?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Qxb8
- 2.Rd5#
- 1...Rxe4
- 2.Rd5#
- 1...Qe6
- 2.Rd5#
- 2.Rxe6#
- 1...Qd7
- 2.Rd5#
- 2.Rxd7#
- 1...Qc7
- 2.Rd5#
- 1...Qd8
- 2.Rd5#
- 2.Rxd8#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Rxf7!
- threat
- 1.Bxc8?
- threat
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.Rd8#
- 1...Rxe4
- 2.Bf6#
- 2.Rxe4#
- 2.Rd4#
- 2.Rd8#
- 1...Rf6
- 2.Bxf6#
- 2.Rd5#
- 2.Re6#
- 2.Rxf6#
- 1...Bg5
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rd8#
- 1...Bg7
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Rd8#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Sg6
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 2.Rf6#
- 2.Rxg6#
- 2.Rd8#
- 1...Sd7!
- threat
- 1.Bg8?
- threat
- 2.Rd5#
- 2.Re6#
- 1...Qxb8
- 2.Rd5#
- 1...Rxe4
- 2.Rd5#
- 1...Qe6
- 2.Rd5#
- 2.Rxe6#
- 1...Qd7
- 2.Rd5#
- 2.Rxd7#
- 1...Qc7
- 2.Rd5#
- 1...Qd8
- 2.Rd5#
- 2.Rxd8#
- 1...Se6
- 2.Rd5#
- 2.Rxe6#
- 1...Rf7!
- threat
- 1.Qa7?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...Qxe6
- 2.Qd4#
- 1...Qxc6
- 2.Qd4#
- 1...Sxe6
- 2.Rd5#
- 1...Sd7
- 2.Qd4#
- 1...b6!
- threat
- 1.Kc2?
- Keys
- 1.Kc4!
- threat
- 2.d4#
- 1...Qxe6+
- 2.Rd5#
- 1...Qxc6+
- 2.Rxc6#
- 1...b5+
- 2.Qxb5#
- 1...Sxe6
- 2.Rd5#
- threat
- 1.Kc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(g);SBLOCK,XB(I)::QAB(K)+R(H),DCHECK
- Q(g);OGATE,XP(G)::QAB(K)+R(H),XQ(g)
- R(c);OGATE,P_SPINR(c),XP(F)::R1(A),XR(c)
- S(h);SBLOCK,XB(I)::QAB(K)+R(H),DCHECK
- P(f);OGATE::QAR(K),XP(f)
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- P(B)
- Vars
- S(h);SBLOCK,XB(I)::QAB(K)+R(H),DCHECK
- Refutation
- P(b);CHECK
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(g);XQ(K)::R1(H)
- Q(g);::R1(H)
- R(c);N_GUARD::B(J)
- Refutation
- R(c);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(g);XQ(K)::R1(H)
- R(c);N_GUARD,XB(I)::B(J)
- Q(g);::R1(H)
- Refutation
- R(c);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(g);XQ(K)::R1(H)
- R(c);P_SPINR(c),XP(F)::QAB(K)+R(H),DCHECK
- Q(g);::R1(H)
- Refutation
- R(c);XB(I)
- Try
- B(I);XQ(g)
- Threat
- DUALS(7)
- Refutation
- S(h);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(g);XQ(K)::R1(H)
- R(c);P_SPINR(c),XP(F)::QAB(K)+R(H),DCHECK
- Q(g);::R1(H)
- Refutation
- R(c);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- Q(g);XB(I)::QAB1(K)
- Q(g);XP(G)::QAB1(K)
- S(h);SBLOCK,XB(I)::R1(H)
- S(h);::QAB1(K)
- Refutation
- P(f);
- Try
- Actual
- K(D);P_SPINP(F),S_FLIGHT
- Threat
- P(B)
- Vars
- Q(g);CHECK,SBLOCK,XB(I)::QAB(K)+R(H),DCHECK
- Q(g);CHECK,OGATE,XP(G)::QAB(K)+R(H),XQ(g)
- P(f);CHECK,OGATE::QAR(K),XP(f)
- S(h);SBLOCK,XB(I)::QAB(K)+R(H),DCHECK
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).