MESON Chess Problem Database
Problem Display
PID: 81116 (3B3r/2PQ1b2/KNR3r1/3p1Bpq/3P1k2/5PNn/6PP/3nR3 w - - 0 1)
Petite, Efren
Reeves, Alfred Christopher
Comm., The Problemist, 2008
#2
13 + 9
| 56 | The Problemist | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Sxd5#
- 1...Rg7
- 2.Qd6#
- 1...Rgg8
- 2.Qd6#
- 1...Rxd8
- 2.Sxh5#
- 1...Re8
- 2.Sxh5#
- 1...Rf8
- 2.Sxh5#
- 1...Rhg8
- 2.Sxh5#
- 1...Be6
- 2.Qd6#
- 1...Be8
- 2.Sxd5#
- 1...Se3
- 2.Se2#
- 1...Rd6
- Tries
- 1.Bb1?
- threat
- 2.Qf5#
- 1...Qg4
- 2.Qxg4#
- 1...Re6
- 2.Sxd5#
- 1...Rf6
- 2.Rxf6#
- 1...Be6
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 1...g4!
- threat
- 1.Bc2?
- threat
- 2.Qf5#
- 1...Qg4
- 2.Qxg4#
- 1...Re6
- 2.Sxd5#
- 1...Rf6
- 2.Rxf6#
- 1...Be6
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 1...g4!
- threat
- 1.Bd3?
- threat
- 2.Qf5#
- 1...Qg4
- 2.Qxg4#
- 1...Re6
- 2.Sxd5#
- 1...Rf6
- 2.Rxf6#
- 1...Be6
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 1...g4!
- threat
- 1.Be4?
- threat
- 2.Qf5#
- 1...Qg4
- 2.Qxg4#
- 1...Re6
- 2.Sxd5#
- 1...Rf6
- 2.Rxf6#
- 1...Be6
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 1...g4!
- threat
- 1.Be6?
- threat
- 2.Sxd5#
- 2.Qd6#
- 1...Qxf3
- 2.Qd6#
- 1...Rxe6
- 2.Sxd5#
- 1...Rxd8
- 2.Sxh5#
- 2.Sxd5#
- 1...Bxe6
- 2.Qd6#
- 1...Sc3
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 2.Qd6#
- 1...g4!
- threat
- 1.Bxg6?
- threat
- 2.Rf6#
- 2.Qf5#
- 2.Qd6#
- 2.Qxf7#
- 1...Qxf3
- 2.Rf6#
- 2.Qf5#
- 1...Qxg6
- 2.Qg4#
- 1...Rxd8
- 2.Sxh5#
- 2.Rf6#
- 2.Qf5#
- 2.Qxf7#
- 1...Bxg6
- 2.Sxd5#
- 2.Qd6#
- 1...Qg4
- 2.Qxg4#
- 2.Qd6#
- 1...Qh7
- 2.Rf6#
- 2.Qg4#
- 2.Qf5#
- 2.Qd6#
- 1...Rh7
- 2.Rf6#
- 2.Qf5#
- 2.Qd6#
- 1...Re8
- 2.Sxh5#
- 2.Rf6#
- 2.Qf5#
- 2.Qxf7#
- 1...Rf8
- 2.Sxh5#
- 2.Rf6#
- 2.Qf5#
- 2.Qd6#
- 1...Be6
- 2.Qd6#
- 1...Be8
- 2.Sxd5#
- 2.Rf6#
- 2.Qf5#
- 2.Qd6#
- 1...Bg8
- 2.Rf6#
- 2.Qf5#
- 2.Qd6#
- 1...Se3
- 2.Se2#
- 2.Qd6#
- 1...g4!
- threat
- 1.Ree6?
- threat
- 2.Sxd5#
- 2.Qd6#
- 1...Qxf3
- 2.Qd6#
- 1...Rxe6
- 2.Sxd5#
- 1...Rxd8
- 2.Sxd5#
- 1...Sc3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Bxe6!
- threat
- 1.Rce6?
- threat
- 2.Sxd5#
- 2.Qd6#
- 1...Qxf3
- 2.Qd6#
- 1...Rxd8
- 2.Sxd5#
- 1...Bxe6
- 2.Qd6#
- 1...Sc3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Rxe6!
- threat
- 1.Rxg6?
- threat
- 2.Qd6#
- 1...Rxd8
- 2.Sxh5#
- 1...Re8
- 2.Sxh5#
- 1...Qxg6!
- threat
- 1.Qe6?
- threat
- 2.Se2#
- 2.Sxd5#
- 2.Qe5#
- 1...Qxf3
- 2.Qe5#
- 1...Rxe6
- 2.Sxd5#
- 1...Rxd8
- 2.Se2#
- 2.Sxh5#
- 2.Qe5#
- 1...Re8
- 2.Se2#
- 2.Sxh5#
- 2.Sxd5#
- 1...Sc3
- 2.Qe3#
- 2.Qe5#
- 1...Se3
- 2.Se2#
- 2.Qxe3#
- 2.Qe5#
- 1...Sg1
- 2.Sxd5#
- 2.Qe5#
- 1...Bxe6!
- threat
- 1.Qxd5?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qe5#
- 1...Qxf3
- 2.Qxf3#
- 2.Qe5#
- 1...Bxd5
- 2.Sxd5#
- 1...Re8
- 2.Sxh5#
- 1...Sdf2
- 2.Qe5#
- 1...Sc3
- 2.Qe5#
- 1...Se3
- 2.Se2#
- 2.Qe4#
- 2.Qe5#
- 1...Shf2
- 2.Qe5#
- 1...Re6!
- threat
- 1.Qe7?
- threat
- 2.Qe5#
- 1...Re6
- 2.Sxd5#
- 1...Be6
- 2.Qd6#
- 1...Re8!
- threat
- 1.Bb1?
- Keys
- 1.Bg4!
- threat
- 2.Qf5#
- 1...Qxg4
- 2.Qxg4#
- 1...Re6
- 2.Sxd5#
- 1...Rf6
- 2.Rxf6#
- 1...Be6
- 2.Qd6#
- 1...Se3
- 2.Se2#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(g);N_GUARD::QAB(L),XR(g)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::QAB(L)
- R(i);N_GUARD,XB(M)::S(E),XQ(f)
- R(i);N_GUARD::S(E),XQ(f)
- B(h);S_CUTR(g)::QAB(L)
- B(h);N_GUARD::S(I),XP(d)
- S(a);SBLOCK::S(E)
- Tries
- Try
- B(G);
- Threat
- QAR1(L)
- Vars
- Q(f);N_GUARD::QAR1(L),XQ(f)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::R(J),XR(g)
- B(h);S_CUTR(g)::QAB(L)
- S(a);SBLOCK::S(E)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- QAR1(L)
- Vars
- Q(f);N_GUARD::QAR1(L),XQ(f)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::R(J),XR(g)
- B(h);S_CUTR(g)::QAB(L)
- S(a);SBLOCK::S(E)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- QAR1(L)
- Vars
- Q(f);N_GUARD::QAR1(L),XQ(f)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::R(J),XR(g)
- B(h);S_CUTR(g)::QAB(L)
- S(a);SBLOCK::S(E)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- QAR1(L)
- Vars
- Q(f);N_GUARD::QAR1(L),XQ(f)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::R(J),XR(g)
- B(h);S_CUTR(g)::QAB(L)
- S(a);SBLOCK::S(E)
- Refutation
- P(e);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(D)::QAB(L)
- R(g);XB(G)::S(I),XP(d)
- B(h);XB(G)::QAB(L)
- S(a);::QAB(L)
- Refutation
- P(e);
- Try
- B(G);XR(g)
- Threat
- DUALS(4)
- Vars
- Q(f);N_GUARD,XB(G)::QAR1(L)
- B(h);::QAB(L)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(D)::QAB(L)
- R(g);XR(A)::S(I),XP(d)
- R(i);XB(M)::S(I),XP(d)
- S(a);::QAB(L)
- Refutation
- B(h);XR(A)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(D)::QAB(L)
- R(i);XB(M)::S(I),XP(d)
- B(h);XR(J)::QAB(L)
- S(a);::QAB(L)
- Refutation
- R(g);P_PINS(I),XR(J)
- Try
- R(J);XR(g)
- Threat
- QAB(L)
- Vars
- R(i);N_GUARD,XB(M)::S(E),XQ(f)
- R(i);N_GUARD::S(E),XQ(f)
- Refutation
- Q(f);P_PINS(I),XR(J)
- Try
- Q(L);
- Threat
- DUALS(3)
- Vars
- Q(f);XP(D)::QAB1(L)
- R(g);XQ(L)::S(I),XP(d)
- Refutation
- B(h);XQ(L)
- Try
- Q(L);XP(d)
- Threat
- DUALS(3)
- Vars
- B(h);XQ(L)::S(I),XB(h)
- R(i);N_GUARD::S(E),XQ(f)
- S(a);::QAB1(L)
- S(b);::QAB1(L)
- Refutation
- R(g);
- Try
- Q(L);
- Threat
- QAB1(L)
- Vars
- R(g);S_CUTB(h)::S(I),XP(d)
- B(h);S_CUTR(g)::QAB(L)
- Refutation
- R(i);
- Try
- Actual
- B(G);
- Threat
- QAR1(L)
- Vars
- Q(f);OGATE,XB(G)::QAR1(L),XQ(f)
- R(g);S_CUTB(h)::S(I),XP(d)
- R(g);N_GUARD::R(J),XR(g)
- B(h);S_CUTR(g)::QAB(L)
- S(a);SBLOCK::S(E)
Developed and maintained by Brian Stephenson.
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