MESON Chess Problem Database
Problem Display
PID: 19316 (1K2Q3/1p6/1pbP4/pN2Rp2/kB3R2/P2p4/P1r5/1n1B4 w - - 0 1)
Anderson, Gerald Frank
Birmingham Post, 1938
#2
10 + 9
| 5383 | A Tribute to G F Anderson | 1974 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sc3#
- 1...Bg2
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Be4
- 2.Sc3#
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bd5
- 2.Sc3#
- 1...Bd7
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Bxe8
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sd2
- 2.Sc3#
- 1...Sxa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...Bh1
- Tries
- 1.Ka7?
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bxe8
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sxa3
- 2.Sc3#
- 1...Bh1
- 2.Sc3#
- 1...Bg2
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Be4
- 2.Sc3#
- 1...Bd5
- 2.Sc3#
- 1...Bd7
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...axb4!
- 1...Bxb5
- 1.Ka8?
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bxe8
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sxa3
- 2.Sc3#
- 1...Bh1
- 2.Sc3#
- 1...Bg2
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Be4
- 2.Sc3#
- 1...Bd5
- 2.Sc3#
- 1...Bd7
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...axb4!
- 1...Bxb5
- 1.Bc5+?
- 1...Be4
- 2.Sc3#
- 1...Kxb5!
- 1...Be4
- 1.Rc4?
- threat
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Sxa3
- 2.Sc3#
- 2.Bxa3#
- 1...Bd5
- 2.Sc3#
- 1...Sd2
- 2.Sc3#
- 2.Bxd2#
- 1...Sc3
- 2.Sxc3#
- 2.Bxc3#
- 1...d2
- 2.Bxc2#
- 2.Bxd2#
- 2.Bc3#
- 1...axb4!
- threat
- 1.Rd4?
- threat
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Sxa3
- 2.Sc3#
- 2.Bxa3#
- 1...Bd5
- 2.Sc3#
- 1...Sd2
- 2.Sc3#
- 2.Bxd2#
- 1...Sc3
- 2.Sxc3#
- 2.Bxc3#
- 1...d2
- 2.Bxc2#
- 2.Bxd2#
- 2.Bc3#
- 1...axb4!
- threat
- 1.Rd5?
- threat
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bxd5
- 2.Sc3#
- 1...Sxa3
- 2.Sc3#
- 2.Bxa3#
- 1...Sd2
- 2.Sc3#
- 2.Bxd2#
- 1...Sc3
- 2.Sxc3#
- 2.Bxc3#
- 1...d2
- 2.Bxc2#
- 2.Bxd2#
- 2.Bc3#
- 1...axb4!
- threat
- 1.Rexf5?
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bxe8
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sxa3
- 2.Sc3#
- 1...Be4
- 2.Sc3#
- 1...Bh1
- 2.Sc3#
- 1...Bg2
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Bd5
- 2.Sc3#
- 1...Bd7
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...axb4!
- 1...Bxb5
- 1.Qxc6?
- threat
- 2.Sc3#
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 2.Bc5#
- 1...Sxa3
- 2.Sc3#
- 2.Bxa3#
- 1...bxc6
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sd2
- 2.Sc3#
- 2.Bxd2#
- 1...Sc3
- 2.Sxc3#
- 2.Bxc3#
- 1...d2
- 2.Sc3#
- 2.Bxc2#
- 2.Bxd2#
- 2.Bc3#
- 2.Bc5#
- 2.Qxc2#
- 1...axb4!
- threat
- 1.Qd7?
- 1...Bxb5
- 2.Bc5#
- 2.Qxb5#
- 1...Bxd7
- 2.Be1#
- 2.Bd2#
- 2.Bc3#
- 1...Sxa3
- 2.Sc3#
- 1...Be4
- 2.Sc3#
- 1...Bh1
- 2.Sc3#
- 1...Bg2
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Bd5
- 2.Sc3#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...axb4!
- 1...Bxb5
- 1.Ka7?
- Keys
- 1.Kc7!
- 1...Bh1+
- 2.Sc3#
- 1...Bg2+
- 2.Sc3#
- 1...Bf3+
- 2.Sc3#
- 1...Be4+
- 2.Sc3#
- 1...Bxb5+
- 2.Bc5#
- 1...Bd5+
- 2.Sc3#
- 1...Bd7+
- 2.Bc3#
- 1...Bxe8+
- 2.Bc3#
- 1...Sxa3
- 2.Sc3#
- 1...axb4
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...d2
- 2.Bxc2#
- 1...Bh1+
- 1.Kc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(h);::QAB(J)+S(F),DCHECK
- S(a);N_GUARD::S(F)
- S(a);N_GUARD,XP(C)::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- S(a);N_GUARD,XP(C)::S(F)
- B(h);::QAB(J)+S(F),DCHECK
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- K(I);P-FLIGHT
- Vars
- S(a);N_GUARD,XP(C)::S(F)
- B(h);::QAB(J)+S(F),DCHECK
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- B(D);CHECK
- Vars
- B(h);P_SPINB(h)::QAB(J)+S(F),DCHECK
- Refutation
- K(d);N_SPINR(b),P_SPINB(h),S_FLIGHT,XS(F)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- B(h);::QAB(J)+S(F),DCHECK
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- B(h);::QAB(J)+S(F),DCHECK
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- B(h);XR(G)::QAB(J)+S(F),DCHECK
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- R(G);XP(f)
- Vars
- S(a);N_GUARD,XP(C)::S(F)
- B(h);::QAB(J)+S(F),DCHECK
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- Q(J);XB(h)
- Threat
- DUALS(5)
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- Q(J);
- Vars
- S(a);N_GUARD,XP(C)::S(F)
- B(h);::QAB(J)+S(F),DCHECK
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
- Refutation
- P(e);P_SPINP(e),XB(D)
- Try
- Actual
- K(I);S_FLIGHT
- Vars
- B(h);CHECK::QAB(J)+S(F),DCHECK
- B(h);CHECK,N_GUARD,P_SPINB(h),XS(F)::R(E)+B(D)
- B(h);CHECK,N_GUARD::R(E)+B(D)
- B(h);CHECK,N_GUARD,XQ(J)::R(E)+B(D)
- S(a);N_GUARD,XP(C)::S(F)
- P(e);OGATEB,P_SPINP(e),XB(D)::QAR(J)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(c);N_GUARD::B(A),XR(b)
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).