MESON Chess Problem Database
Problem Display
PID: 21995 (5bQ1/K1Bnp3/1P2Np2/2pknRp1/1p1Np1B1/1p1P4/1P6/2R5 w - - 0 1)
Anderson, Gerald Frank
Chess Amateur (The), 1923
#2
11 + 11
| 2740 | Adventures of my Chessmen | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sxb6
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...e3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...c4
- 2.dxc4#
- 1...Bh6
- Tries
- 1.Ka6?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...Sb8+!
- 1...Sxb6
- 1.Bd1?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 2.Bxb3#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...g4!
- 1...Sxb6
- 1.Be2?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...g4!
- 1...Sxb6
- 1.Bh3?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bg2#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bg2#
- 1...c4
- 2.dxc4#
- 1...g4!
- 1...Sxb6
- 1.Bh5?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...g4!
- 1...Sxb6
- 1.Rc2?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...bxc2!
- 1...Sxb6
- 1.Rc3?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...cxd4
- 2.Sf4#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.dxc4#
- 1...bxc3!
- 1...Sxb6
- 1.Rxe5+?
- 1...Sxe5
- 2.Rxc5#
- 1...fxe5!
- 1...Sxe5
- 1.Qxf8?
- threat
- 2.Qa8#
- 1...Sxb6
- 2.Rxc5#
- 1...Sxf8
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...cxd4!
- threat
- 1.Qh8?
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 2.Qh1#
- 1...Bh6
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 2.Qh1#
- 1...c4
- 2.dxc4#
- 1...cxd4!
- 1...Sxb6
- 1.Ka6?
- Keys
- 1.Sc6!
- 1...Kxc6
- 2.Sd4#
- 1...Sxb6
- 2.Rxc5#
- 1...exd3
- 2.Bf3#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sb8
- 2.Rxc5#
- 1...e3
- 2.Bf3#
- 1...c4
- 2.Sxb4#
- 1...Kxc6
- 1.Sc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(k);OGATE::QAB(K)
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(c);OGATEB::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- P(d);OGATE::P(C),XP(d)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- S(i);CHECK
- Try
- B(E);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(g);
- Try
- B(E);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(g);
- Try
- R(A);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(a);XR(A)
- Try
- R(A);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- P(d);SBLOCK,XS(D)::QAB(K)+S(H),DCHECK
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(b);XR(A)
- Try
- R(F);CHECK,XS(f)
- Vars
- S(i);XR(F)::R1(A),XP(d)
- Refutation
- P(h);XR(F)
- Try
- Q(K);XB(k)
- Threat
- QAB(K)
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- S(i);N_GUARD,XQ(K)::R1(A),XP(d)
- S(i);N_GUARD::R1(A),XP(d)
- Refutation
- P(d);XS(D)
- Try
- Q(K);
- Vars
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- B(k);OGATE::QAB(K)
- S(i);N_GUARD::R1(A),XP(d)
- P(d);OGATE::P(C),XP(d)
- Refutation
- P(d);XS(D)
- Try
- Actual
- S(D);
- Vars
- K(e);N_SPINS(f),P_SPINP(d),S_FLIGHT,XS(D)::S(H)
- S(i);N_GUARD,XP(G)::R1(A),XP(d)
- P(c);OGATEB,XP(C)::B(E)
- B(k);N_GUARD::S(D),XP(j)
- S(i);N_GUARD::R1(A),XP(d)
- P(c);OGATEB::B(E)
- P(d);N_GUARD::S(D),XP(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).