MESON Chess Problem Database
Problem Display
PID: 253653 (8/2p5/N1PpQp1B/Kp2pP1P/1P2k3/2P1p3/4N1P1/1b1B4 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Western Morning News, 1921
(First published on Sat Apr 23 1921)
#2
12 + 8
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5
- 2.Sc5#
- 1...Kd3
- Tries
- 1.Kxb5?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bd3+!
- 1...Kd3
- 1.Sxc7?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5!
- 1...Kd3
- 1.Sb8?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5!
- 1...Kd3
- 1.Bb3?
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 2.Bd5#
- 1...d5
- 2.Sc5#
- 1...Kd3!
- 1...Ba2
- 1.Bf4?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bd3!
- 1...Kd3
- 1.Bg5?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5
- 2.Sc5#
- 1...fxg5!
- 1...Kd3
- 1.Bg7?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bd3!
- 1...Kd3
- 1.Bf8?
- 1...Kd3
- 2.Qd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bd3!
- 1...Kd3
- 1.Qa2?
- 1...Kd3
- 2.Qd5#
- 1...Kxf5
- 2.Sg3#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5
- 2.Qxb1#
- 1...Bxa2!
- 1...Kd3
- 1.Qc4+?
- 1...Kxf5
- 2.Sg3#
- 2.g4#
- 1...bxc4!
- 1...Kxf5
- 1.Qd5+?
- 1...Kxf5
- 2.Sg3#
- 2.Sd4#
- 1...Kxd5!
- 1...Kxf5
- 1.Qf7?
- 1...Kd3
- 2.Qd5#
- 1...Kxf5
- 2.Sg3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5!
- 1...Kd3
- 1.Qg8?
- 1...Kd3
- 2.Qd5#
- 1...Kxf5
- 2.Sg3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5!
- 1...Kd3
- 1.Qxd6?
- threat
- 2.Sg3#
- 1...Kxf5
- 2.Sg3#
- 1...cxd6!
- threat
- 1.Kxb5?
- Keys
- 1.Qb3!
- 1...Kd3
- 2.Qd5#
- 1...Kxf5
- 2.Sg3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...d5
- 2.Qxb1#
- 1...Kd3
- 1.Qb3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- P(f);N_GUARD::S(I)
- Tries
- Try
- K(F);P-FLIGHT,XP(d)
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- B(a);CHECK
- Try
- S(I);XP(h)
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- Refutation
- P(f);
- Try
- S(I);
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- Refutation
- P(f);
- Try
- B(A);
- Vars
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- K(c);N_SPINP(e),S_FLIGHT
- Try
- B(L);
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- B(a);
- Try
- B(L);
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- P(f);N_GUARD::S(I)
- Refutation
- P(g);XB(L)
- Try
- B(L);
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- B(a);
- Try
- B(L);
- Vars
- K(c);N_GUARD,N_SPINP(e),S_FLIGHT::QAR2(K)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- B(a);
- Try
- Q(K);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(K)
- K(c);N_GUARD,S_FLIGHT,XP(G)::S(B)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- P(f);SBLOCK::QAB(K),XB(a)
- Refutation
- B(a);XQ(K)
- Try
- Q(K);CHECK,N_PINP(e)
- Refutation
- P(d);XQ(K)
- Try
- Q(K);CHECK,N_PINP(e)
- Refutation
- K(c);S_FLIGHT,XQ(K)
- Try
- Q(K);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(K)
- K(c);N_GUARD,P_SPINP(g),S_FLIGHT,XP(G)::S(B)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- Refutation
- P(f);
- Try
- Q(K);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(K)
- K(c);N_GUARD,S_FLIGHT,XP(G)::S(B)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- Refutation
- P(f);
- Try
- Q(K);N_PINP(e),XP(f)
- Threat
- S(B)
- Vars
- K(c);S_FLIGHT,XP(G)::S(B)
- Refutation
- P(h);XQ(K)
- Try
- Actual
- Q(K);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(K)
- K(c);N_GUARD,S_FLIGHT,XP(G)::S(B)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(B)
- P(f);SBLOCK::QAB(K),XB(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).