MESON Chess Problem Database
Problem Display
PID: 140381 (3b2N1/3p1B2/4bR2/1P1kpR2/p2pr1Q1/B2P1N1K/3n4/8 w - - 0 1)
Bonavia-Hunt, Rev Noel Aubrey
4th Comm., BCPS 049. Ty., 1943
#2
10 + 9
| 56 | The Problemist | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Rf4
- 2.Rxe5#
- 1...Rxg4
- 2.Rxe5#
- 1...Bxf7
- 2.Rd6#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bxf6
- 2.Sxf6#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sxf3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...d6
- 2.Bxe6#
- 1...Re1
- Tries
- 1.Bb4?
- 1...Rxg4
- 2.Rxe5#
- 1...Bxf7
- 2.Rd6#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxf3
- 2.Qxe4#
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Rf4
- 2.Rxe5#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...d6
- 2.Bxe6#
- 1...a3!
- 1...Rxg4
- 1.Bh5?
- 1...Rxg4
- 2.Rxe5#
- 1...Bxf5
- 2.Rd6#
- 1...Bxg8
- 2.Rd6#
- 2.Qxg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxf3
- 2.Qxe4#
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Rf4
- 2.Rxe5#
- 1...Bf7
- 2.Bxf7#
- 2.Rd6#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...d6!
- 1...Rxg4
- 1.Bg6?
- 1...Rxg4
- 2.Rxe5#
- 1...Bxf5
- 2.Rd6#
- 1...Bxg8
- 2.Rd6#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxf3
- 2.Qxe4#
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Rf4
- 2.Rxe5#
- 1...Bf7
- 2.Bxf7#
- 2.Rd6#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...d6!
- 1...Rxg4
- 1.Rxe6?
- threat
- 2.Rexe5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Ref6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...d6
- 2.Rexe5#
- 2.Rxd6#
- 2.Ref6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...Bb6
- 2.Sf6#
- 2.Se7#
- 2.Rexe5#
- 2.Rxb6#
- 2.Rc6#
- 2.Rd6#
- 2.Ref6#
- 2.Rg6#
- 2.Rh6#
- 2.Re7#
- 2.Re8#
- 1...Bf6
- 2.Sxf6#
- 2.Rexe5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rexf6#
- 2.Re7#
- 2.Re8#
- 1...Be7
- 2.Sxe7#
- 2.Rexe5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Ref6#
- 2.Rg6#
- 2.Rh6#
- 2.Rxe7#
- 1...dxe6!
- threat
- 1.Qf4?
- 1...Bxf7
- 2.Rd6#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxf3
- 2.Qxe4#
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...d6
- 2.Bxe6#
- 1...Rxf4!
- 1...Bxf7
- 1.Bb4?
- Keys
- 1.Be8!
- 1...Rxg4
- 2.Rxe5#
- 1...Bxf5
- 2.Rd6#
- 1...Bxg8
- 2.Rd6#
- 2.Qxg8#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxf3
- 2.Qxe4#
- 1...d6
- 2.Bc6#
- 1...Re1
- 2.Qxd4#
- 1...Re2
- 2.Qxd4#
- 1...Re3
- 2.Qxd4#
- 1...Rf4
- 2.Rxe5#
- 1...Bf7
- 2.Bxf7#
- 2.Rd6#
- 1...Ba5
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qxe4#
- 1...Sf1
- 2.Qxe4#
- 1...Sb3
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 2.dxe4#
- 1...Rxg4
- 1.Be8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- R(d);N_GUARD::R1(G),XP(f)
- R(d);N_GUARD,XQ(E)::R1(G),XP(f)
- B(g);N_SPINB(g),OGATE,XB(I)::R1(H)
- B(i);N_GUARD::S(J)
- B(i);XR(H)::S(J),XB(i)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- P(h);N_GUARD::B(I),XB(g)
- Tries
- Try
- B(A);
- Vars
- R(d);N_GUARD,XQ(E)::R1(G),XP(f)
- B(g);N_SPINB(g),OGATE,XB(I)::R1(H)
- B(i);XR(H)::S(J),XB(i)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- R(d);N_GUARD::R1(G),XP(f)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
- P(h);N_GUARD::B(I),XB(g)
- Refutation
- P(b);
- Try
- B(I);N_PINB(g)
- Vars
- R(d);N_GUARD,XQ(E)::R1(G),XP(f)
- B(g);N_SPINP(f),OGATE,P_PINQ(E),XR(G)::R1(H)
- B(i);XR(H)::S(J),XB(i)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- R(d);N_GUARD::R1(G),XP(f)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
- Refutation
- P(h);
- Try
- B(I);N_PINB(g)
- Vars
- R(d);N_GUARD,XQ(E)::R1(G),XP(f)
- B(g);N_SPINP(f),OGATE,P_PINQ(E),XR(G)::R1(H)
- B(g);OGATE,XS(J)::R1(H)
- B(i);XR(H)::S(J),XB(i)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- R(d);N_GUARD::R1(G),XP(f)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
- Refutation
- P(h);
- Try
- R(H);XB(g)
- Threat
- DUALS(10)
- Refutation
- P(h);XR(H)
- Try
- Q(E);P_SPINR(G)
- Vars
- B(g);N_PINR(G),N_SPINB(g),OGATE,XB(I)::R1(H)
- B(i);XR(H)::S(J),XB(i)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
- P(h);N_GUARD::B(I),XB(g)
- Refutation
- R(d);XQ(E)
- Try
- Actual
- B(I);N_PINB(g)
- Vars
- R(d);N_GUARD,XQ(E)::R1(G),XP(f)
- B(g);N_SPINP(f),OGATE,P_PINQ(E),XR(G)::R1(H)
- B(i);XR(H)::S(J),XB(i)
- S(a);N_GUARD,XS(C)::QAB1(E),XR(d)
- P(h);OGATE::B(I)
- R(d);OGATE::QAR1(E),XP(c)
- R(d);OGATE,P_PINS(C)::QAR1(E),XP(c)
- R(d);N_GUARD::R1(G),XP(f)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(E),XR(d)
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).