MESON Chess Problem Database
Problem Display
PID: 63300 (3Q1b2/n1PKp1n1/8/N1N5/pPPkB3/Rp1p4/3P3B/8 w - - 0 1)
Bonavia-Hunt, Rev Noel Aubrey
Chess, 1945
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 1...Se6
- 2.Kxe6#
- 1...Se8
- 2.Kxe8#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...Sc6
- Tries
- 1.Bh1?
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sc6
- 1.Bg2?
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sc6
- 1.Bf3?
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sc6
- 1.Bc6?
- 1...Sxc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sxc6
- 1.Bb7?
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sc6
- 1.Ba8?
- 1...Sc6
- 2.Kxc6#
- 1...Sc8
- 2.Kxc8#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Ke6#
- 2.Ke8#
- 2.Se6#
- 1...Se6
- 2.Kxe6#
- 2.Sxe6#
- 1...Se8
- 2.Kxe8#
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5!
- 1...Sc6
- 1.Qxe7?
- threat
- 2.Bg1#
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 1...Sc6
- 2.Bg1#
- 1...Sf5
- 2.Be5#
- 2.Qf6#
- 2.Qe5#
- 1...Sh5
- 2.Bg1#
- 2.Be5#
- 2.Qe5#
- 1...Se6
- 2.Qf6#
- 1...Se8
- 2.Bg1#
- 2.Be5#
- 2.Qe5#
- 1...Bxe7!
- threat
- 1.Bh1?
- Keys
- 1.Bd5!
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...Sf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...b2
- 2.Rxd3#
- 1...e5
- 2.Bg1#
- 1...e6
- 2.Qh4#
- 1...Sb5
- 1.Bd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(e);::QAR(K)+K(J),XS(e)
- S(g);::QAR(K)+K(J),XS(g)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- Tries
- Try
- B(F);
- Vars
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- B(F);
- Vars
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- B(F);
- Vars
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- B(F);
- Vars
- S(e);XB(F)::QAR(K)+K(J),XS(e)
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- B(F);
- Vars
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- B(F);
- Vars
- S(e);::QAR(K)+K(J),XS(e)
- S(g);N_GUARD::S(H)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
- Refutation
- S(e);
- Try
- Q(K);XP(f)
- Threat
- DUALS(4)
- Vars
- S(e);::B(B)
- S(g);::QAB(K)
- Refutation
- B(h);XQ(K)
- Try
- Actual
- B(F);
- Vars
- S(e);N_GUARD::S(G)
- S(e);N_GUARD::S(G),XS(e)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD::S(H),XS(g)
- P(a);OGATE::R1(C),XP(b)
- P(f);SBLOCK::B(B)
- P(f);OGATE::QAR(K)
Developed and maintained by Brian Stephenson.
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