MESON Chess Problem Database
Problem Display
PID: 145384 (6b1/8/Q6p/n2k1n1B/2p1N3/p1RP1N2/Kb6/1R6 w - - 0 1)
Lewis, Robert Tony
2nd Prize, Pat a Mat, 1991-1992
#2
8 + 8
| 133 | The Problemist Supplement | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Rb5#
- 1...Bc1
- 2.Rb5#
- 1...Bxc3
- 2.Rb5#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sb3
- 2.Qxc4#
- 1...Sc6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Se3
- 2.Qd6#
- 1...Sg3
- 2.Qd6#
- 1...Sd4
- 2.Qd6#
- 1...Sh4
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Se7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...cxd3
- 2.Sf6#
- 1...Ba1
- Tries
- 1.Bg6?
- 1...Bxc3
- 2.Rb5#
- 1...cxd3
- 2.Sf6#
- 1...Sc6
- 2.Qxc4#
- 1...Sd6
- 2.Qxd6#
- 1...Ba1
- 2.Rb5#
- 1...Bc1
- 2.Rb5#
- 1...Be6
- 2.Qb5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sb3
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Se3
- 2.Qd6#
- 1...Sg3
- 2.Qd6#
- 1...Sd4
- 2.Qd6#
- 1...Sh4
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...h5!
- 1...Bxc3
- 1.Be8?
- 1...Bxc3
- 2.Rb5#
- 1...cxd3
- 2.Sf6#
- 1...Sc6
- 2.Qxc4#
- 2.Qxc6#
- 1...Sd6
- 2.Qxd6#
- 1...Ba1
- 2.Rb5#
- 1...Bc1
- 2.Rb5#
- 1...Be6
- 2.Qb5#
- 2.Qxa5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sb3
- 2.Qxc4#
- 2.Qc6#
- 1...Sb7
- 2.Qxc4#
- 2.Qc6#
- 1...Se3
- 2.Qd6#
- 1...Sg3
- 2.Qd6#
- 1...Sd4
- 2.Qd6#
- 1...Sh4
- 2.Qd6#
- 1...Se7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...h5!
- 1...Bxc3
- 1.Rxb2?
- threat
- 2.Rb5#
- 1...cxd3
- 2.Sf6#
- 1...Sc6
- 2.Qxc4#
- 1...Sd6
- 2.Qxd6#
- 1...Sb3
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd4
- 2.Qd6#
- 1...axb2!
- threat
- 1.Rxc4?
- threat
- 2.Rc5#
- 1...Sxc4
- 2.Qxc4#
- 1...Sc6
- 2.Qxc6#
- 1...Sd6
- 2.Qxd6#
- 1...Sb3
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Bd4!
- threat
- 1.Qb6?
- threat
- 2.Sf6#
- 1...Bxc3
- 2.Sxc3#
- 2.Rb5#
- 1...Sd6
- 2.Qxd6#
- 1...Sc6!
- threat
- 1.dxc4+?
- 1...Sxc4
- 2.Qxc4#
- 1...Kxe4!
- 1...Sxc4
- 1.Bg6?
- Keys
- 1.Qc8!
- 1...Bxc3
- 2.Rb5#
- 1...cxd3
- 2.Qxf5#
- 1...Ba1
- 2.Rb5#
- 1...Bc1
- 2.Rb5#
- 1...Be6
- 2.Qc5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sb3
- 2.Qxc4#
- 1...Sc6
- 2.Qxg8#
- 1...Sb7
- 2.Qxc4#
- 1...Se3
- 2.Qd7#
- 1...Sg3
- 2.Qd7#
- 1...Sd4
- 2.Qd7#
- 1...Sh4
- 2.Qd7#
- 1...Sd6
- 2.Sf6#
- 1...Se7
- 2.Qd7#
- 1...Sg7
- 2.Qd7#
- 1...Bxc3
- 1.Qc8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);OGATE::R(A)
- B(a);OGATE,XR(C)::R(A)
- B(h);SBLOCK::QAR2(H)
- B(h);N_GUARD::B(G),XB(h)
- B(h);N_GUARD::B(G)
- S(d);N_GUARD::QAB1(H),XP(c)
- S(f);N_GUARD::QAR1(H)
- S(f);N_GUARD::QAR1(H),XS(f)
- P(c);XP(D)::S(F)
- Tries
- Try
- B(G);
- Vars
- B(a);OGATE,XR(C)::R(A)
- P(c);XP(D)::S(F)
- S(d);N_GUARD::QAB1(H),XP(c)
- S(f);N_GUARD::QAR1(H),XS(f)
- B(a);OGATE::R(A)
- B(h);SBLOCK::QAR2(H)
- B(h);N_GUARD::B(G),XB(h)
- B(h);N_GUARD::B(G)
- S(f);N_GUARD::QAR1(H)
- Refutation
- P(g);
- Try
- B(G);
- Vars
- B(a);OGATE,XR(C)::R(A)
- P(c);XP(D)::S(F)
- S(f);N_GUARD::QAR1(H),XS(f)
- B(a);OGATE::R(A)
- B(h);N_GUARD::B(G),XB(h)
- B(h);N_GUARD::B(G)
- S(f);N_GUARD::QAR1(H)
- Refutation
- P(g);
- Try
- R(A);XB(a)
- Threat
- R(A)
- Vars
- P(c);XP(D)::S(F)
- S(d);N_GUARD::QAB1(H),XP(c)
- S(f);N_GUARD::QAR1(H),XS(f)
- S(f);N_GUARD::QAR1(H)
- Refutation
- P(b);XR(A)
- Try
- R(C);XP(c)
- Threat
- R1(C)
- Vars
- S(d);OGATE,XR(C)::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(f);N_GUARD::QAR1(H),XS(f)
- S(d);N_GUARD::QAB1(H)
- Refutation
- B(a);
- Try
- Q(H);
- Threat
- S(F)
- Vars
- S(f);N_GUARD::QAR1(H),XS(f)
- Refutation
- S(d);
- Try
- P(D);CHECK,XP(c)
- Vars
- S(d);OGATE,XP(D)::QAB1(H),XS(d)
- Refutation
- K(e);P_PINP(D),S_FLIGHT,XS(F)
- Try
- Actual
- Q(H);
- Vars
- B(a);OGATE,XR(C)::R(A)
- P(c);XP(D)::QAR2(H),XS(f)
- B(a);OGATE::R(A)
- B(h);SBLOCK::QAR1(H)
- B(h);N_GUARD::B(G),XB(h)
- B(h);N_GUARD::B(G)
- S(d);N_GUARD::QAB1(H),XP(c)
- S(d);SBLOCK::QAB(H),XB(h)
- S(f);N_GUARD::QAR2(H)
- S(f);SBLOCK::S(F)
Developed and maintained by Brian Stephenson.
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