MESON Chess Problem Database
Problem Display
PID: 4853 (b2B4/Qn5R/R2p4/2n1k3/1N1N2K1/5P2/3P4/8 w - - 0 1)
Heathcote, Godfrey
Miniati's Chess Review, 1892
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Rh5#
- 1...Sd3
- 2.Rh5#
- 1...Sa4
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Sxa6
- 2.Rh5#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 1...Sa5
- 2.Qg7#
- 1...Sxd8
- 2.Qg7#
- 1...d5
- 2.Bf6#
- 1...Sb3
- Tries
- 1.Bh4?
- 1...Sxa6
- 2.Rh5#
- 2.Re7#
- 1...Sb3
- 2.Rh5#
- 2.Re7#
- 1...Sd3
- 2.Rh5#
- 2.Re7#
- 1...Sa4
- 2.Rh5#
- 2.Re7#
- 1...Se4
- 2.Re7#
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 2.Re7#
- 1...Sa5
- 2.Qg7#
- 1...Sd8
- 2.Qg7#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Bg5?
- 1...Sxa6
- 2.Re7#
- 1...Sb3
- 2.Re7#
- 1...Sd3
- 2.Re7#
- 1...Sa4
- 2.Re7#
- 1...Se4
- 2.Re7#
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Re7#
- 1...Sa5
- 2.Qg7#
- 1...Sd8
- 2.Qg7#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Rh1?
- 1...Sxa6
- 2.Re1#
- 2.Rh5#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Re1#
- 2.Rh5#
- 1...Sd3
- 2.Rh5#
- 1...Sa4
- 2.Re1#
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 2.Re1#
- 1...Sd7
- 2.Re1#
- 2.Rh5#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Rh2?
- 1...Sxa6
- 2.Re2#
- 2.Rh5#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Re2#
- 2.Rh5#
- 1...Sd3
- 2.Re2#
- 2.Rh5#
- 1...Sa4
- 2.Re2#
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 2.Re2#
- 1...Sd7
- 2.Re2#
- 2.Rh5#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Rh3?
- 1...Sxa6
- 2.Rh5#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Rh5#
- 1...Sd3
- 2.Rh5#
- 1...Sa4
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Rh6?
- threat
- 2.Sdc6#
- 2.Bf6#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Bf6#
- 2.Qg7#
- 1...Se4
- 2.Sdc6#
- 2.Re6#
- 2.f4#
- 1...Sd7
- 2.Sdc6#
- 2.Rh5#
- 2.Re6#
- 1...Kxd4!
- threat
- 1.Re7+?
- 1...Kxd4
- 2.Re4#
- 1...Se6
- 2.Rxe6#
- 1...Kf6!
- 1...Kxd4
- 1.Rh8?
- 1...Sxa6
- 2.Rh5#
- 2.Re8#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Rh5#
- 2.Re8#
- 1...Sd3
- 2.Rh5#
- 2.Re8#
- 1...Sa4
- 2.Rh5#
- 2.Re8#
- 1...Se4
- 2.Re8#
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 2.Re8#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxa6
- 1.Qxc5+?
- 1...dxc5
- 2.Bf6#
- 1...d5
- 2.Sd3#
- 2.Sbc6#
- 2.Bf6#
- 2.Re6#
- 2.Rh5#
- 2.Re7#
- 2.Qxd5#
- 1...Sxc5!
- 1...dxc5
- 1.Qb6?
- 1...Sxa6
- 2.Rh5#
- 1...Sxd8
- 2.Qxd6#
- 1...Sa5
- 2.Qxd6#
- 1...Sb3
- 2.Rh5#
- 1...Sd3
- 2.Rh5#
- 1...Sa4
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 1...d5
- 2.Bf6#
- 2.Qf6#
- 1...Kxd4!
- 1...Sxa6
- 1.d3?
- 1...Sxd3
- 2.Rh5#
- 1...Sxa6
- 2.Rh5#
- 2.f4#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Rh5#
- 2.f4#
- 1...Sa4
- 2.Rh5#
- 2.f4#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 2.f4#
- 1...d5
- 2.Bf6#
- 1...Kxd4!
- 1...Sxd3
- 1.Bh4?
- Keys
- 1.Rh4!
- 1...Kxd4
- 2.Kf5#
- 1...Sxa6
- 2.Rh5#
- 1...Sxd8
- 2.Qg7#
- 1...Sa5
- 2.Qg7#
- 1...Sb3
- 2.Rh5#
- 1...Sd3
- 2.Rh5#
- 1...Sa4
- 2.Rh5#
- 1...Se4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 1...Sd7
- 2.Rh5#
- 1...d5
- 2.Bf6#
- 1...Kxd4
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);::R(H)
- S(a);SBLOCK::P(B)
- S(a);XR(F)::R(H)
- S(a);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- S(d);OGATE,XB(I)::QAB(G)
- P(c);::B(I)
- Tries
- Try
- B(I);
- Vars
- S(a);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- B(I);
- Vars
- S(a);N_GUARD,XR(F)::R(H)
- S(a);N_GUARD::R(H)
- S(a);SBLOCK::S(D)
- S(d);OGATE::QAB(G)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- R(H);
- Vars
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);::R(H)
- S(a);SBLOCK::P(B)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- R(H);
- Vars
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);SBLOCK::P(B)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- R(H);
- Vars
- S(a);XR(F)::R(H)
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);::R(H)
- S(a);SBLOCK::P(B)
- S(a);SBLOCK::S(D)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,XB(I)::QAB(G)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- R(H);CHECK
- Vars
- K(b);OGATE,P_SPINS(a),S_FLIGHT,XS(D)::R1(H)
- S(a);N_GUARD,P_SPINS(a)::R1(H),XS(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- R(H);
- Vars
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);SBLOCK::S(D)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- Q(G);CHECK,XS(a)
- Vars
- P(c);XQ(G)::B(I)
- Refutation
- S(d);XQ(G)
- Try
- Q(G);
- Vars
- S(a);XR(F)::R(H)
- S(d);N_GUARD,XB(I)::QAB1(G),XP(c)
- S(d);N_GUARD::QAB1(G),XP(c)
- S(a);::R(H)
- S(a);SBLOCK::P(B)
- S(a);SBLOCK::S(D)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- P(A);
- Vars
- S(a);XP(A)::R(H)
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);::P(B)
- S(a);SBLOCK::S(D)
- P(c);::B(I)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XS(D)
- Try
- Actual
- R(H);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XS(D)::R(H)+K(E)
- S(a);XR(F)::R(H)
- S(d);OGATE,XB(I)::QAB(G)
- S(d);OGATE::QAB(G)
- S(a);::R(H)
- S(a);SBLOCK::P(B)
- S(a);SBLOCK::S(D)
- P(c);::B(I)
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).