MESON Chess Problem Database
Problem Display
PID: 166987 (1rr5/3P1PPp/5p1k/3b3p/2QpR3/qp4R1/1n5K/8 w - - 0 1)
Gatti, Daniele
Best Problems, 2018
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Rd8
- 2.Qc1#
- 1...Re8
- 2.Qc1#
- 1...Rf8
- 2.Qc1#
- 1...Rg8
- 2.Qc1#
- 1...Rh8
- 2.Qc1#
- 1...Bc6
- 2.Qc1#
- 1...h4
- 2.Rxh4#
- 1...Rd8
- Tries
- 1.Qxc8?
- threat
- 2.Qc1#
- 2.g8S#
- 1...Bxf7
- 2.Qc1#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qb4
- 2.g8S#
- 1...Qc5
- 2.g8S#
- 1...Qf8
- 2.Qc1#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa1
- 2.g8S#
- 1...Qa5
- 2.g8S#
- 1...Bc4
- 2.g8S#
- 1...Bc6
- 2.g8S#
- 1...Sd1
- 2.g8S#
- 1...Sd3
- 2.g8S#
- 1...Sa4
- 2.g8S#
- 1...Sc4
- 2.g8S#
- 1...d3
- 2.g8S#
- 1...f5
- 2.g8S#
- 1...Rxc8!
- threat
- 1.dxc8Q?
- threat
- 2.Qc1#
- 2.g8S#
- 1...Bxc4
- 2.g8S#
- 1...Bxf7
- 2.Qc1#
- 1...Sxc4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qb4
- 2.g8S#
- 1...Qc5
- 2.g8S#
- 1...Qf8
- 2.Qc1#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa1
- 2.g8S#
- 1...Qa5
- 2.g8S#
- 1...Sd1
- 2.g8S#
- 1...Sd3
- 2.g8S#
- 1...Sa4
- 2.g8S#
- 1...d3
- 2.g8S#
- 1...f5
- 2.g8S#
- 1...Rxc8!
- threat
- 1.dxc8S?
- threat
- 2.Qc1#
- 2.g8S#
- 1...Bxc4
- 2.g8S#
- 1...Bxf7
- 2.Qc1#
- 1...Sxc4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qb4
- 2.g8S#
- 1...Qc5
- 2.g8S#
- 1...Qf8
- 2.Qc1#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa1
- 2.g8S#
- 1...Qa5
- 2.g8S#
- 1...Sd1
- 2.g8S#
- 1...Sd3
- 2.g8S#
- 1...Sa4
- 2.g8S#
- 1...d3
- 2.g8S#
- 1...f5
- 2.g8S#
- 1...Rxc8!
- threat
- 1.dxc8B?
- threat
- 2.Qc1#
- 2.g8S#
- 1...Bxc4
- 2.g8S#
- 1...Bxf7
- 2.Qc1#
- 1...Sxc4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qb4
- 2.g8S#
- 1...Qc5
- 2.g8S#
- 1...Qf8
- 2.Qc1#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa1
- 2.g8S#
- 1...Qa5
- 2.g8S#
- 1...Sd1
- 2.g8S#
- 1...Sd3
- 2.g8S#
- 1...Sa4
- 2.g8S#
- 1...d3
- 2.g8S#
- 1...f5
- 2.g8S#
- 1...Rxc8!
- threat
- 1.dxc8R?
- threat
- 2.Qc1#
- 2.g8S#
- 1...Bxc4
- 2.g8S#
- 1...Bxf7
- 2.Qc1#
- 1...Sxc4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qb4
- 2.g8S#
- 1...Qc5
- 2.g8S#
- 1...Qf8
- 2.Qc1#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa1
- 2.g8S#
- 1...Qa5
- 2.g8S#
- 1...Sd1
- 2.g8S#
- 1...Sd3
- 2.g8S#
- 1...Sa4
- 2.g8S#
- 1...d3
- 2.g8S#
- 1...f5
- 2.g8S#
- 1...Rxc8!
- threat
- 1.d8Q?
- threat
- 2.Qxf6#
- 2.g8S#
- 1...Rxd8
- 2.Qc1#
- 1...Bxe4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qe7
- 2.g8S#
- 1...Qf8
- 2.Qxf6#
- 2.gxf8Q#
- 2.gxf8B#
- 1...Qa6
- 2.g8S#
- 1...Rb6
- 2.g8S#
- 1...Rc6
- 2.g8S#
- 1...f5
- 2.Qg5#
- 2.Qf6#
- 2.g8S#
- 1...Bxf7!
- threat
- 1.d8B?
- threat
- 2.g8S#
- 1...Rxd8
- 2.Qc1#
- 1...h4
- 2.Rxh4#
- 1...Qf8
- 2.gxf8Q#
- 2.gxf8B#
- 1...Bxf7!
- threat
- 1.d8R?
- threat
- 2.g8S#
- 1...Rxd8
- 2.Qc1#
- 1...h4
- 2.Rxh4#
- 1...Qf8
- 2.gxf8Q#
- 2.gxf8B#
- 1...Bxf7!
- threat
- 1.f8Q?
- threat
- 2.Qxf6#
- 2.g8S#
- 1...Rxf8
- 2.Qc1#
- 1...Bxe4
- 2.g8S#
- 1...h4
- 2.Rxh4#
- 1...Qd6
- 2.g8S#
- 1...Qe7
- 2.g8S#
- 1...Qa6
- 2.g8S#
- 1...Rb6
- 2.g8S#
- 1...Rc6
- 2.g8S#
- 1...Bf7
- 2.g8S#
- 1...Bg8
- 2.Qxf6#
- 1...f5
- 2.Qf6#
- 2.g8S#
- 1...Qxf8!
- threat
- 1.Qxc8?
- Keys
- 1.d8S!
- threat
- 2.g8S#
- 1...Rxd8
- 2.Qc1#
- 1...Bxf7
- 2.Sxf7#
- 1...h4
- 2.Rxh4#
- 1...Qf8
- 2.gxf8Q#
- 2.gxf8B#
- threat
- 1.d8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(k);N_GUARD::QAB(C)
- B(e);S_CUTR(k)::QAB(C)
- P(f);OGATEB::R(D),XP(f)
- Tries
- Try
- Q(C);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);XP(F)::QAB(C)
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- B(e);::P=S
- S(a);::P=S
- P(d);::P=S
- P(g);::P=S
- Refutation
- R(j);XQ(C)
- Try
- P(E);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);XQ(C)::P=S
- B(e);XP(F)::QAB(C)
- S(a);XQ(C)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- S(a);::P=S
- P(d);::P=S
- P(g);::P=S
- Refutation
- R(j);XQ(E)
- Try
- P(E);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);XQ(C)::P=S
- B(e);XP(F)::QAB(C)
- S(a);XQ(C)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- S(a);::P=S
- P(d);::P=S
- P(g);::P=S
- Refutation
- R(j);XS(E)
- Try
- P(E);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);XQ(C)::P=S
- B(e);XP(F)::QAB(C)
- S(a);XQ(C)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- S(a);::P=S
- P(d);::P=S
- P(g);::P=S
- Refutation
- R(j);XB(E)
- Try
- P(E);XR(k)
- Threat
- DUALS(2)
- Vars
- B(e);XQ(C)::P=S
- B(e);XP(F)::QAB(C)
- S(a);XQ(C)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- S(a);::P=S
- P(d);::P=S
- P(g);::P=S
- Refutation
- R(j);XR(E)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- R(k);N_GUARD,XQ(E)::QAB(C)
- B(e);XR(D)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);P_PINR(B)::P=S
- Q(b);::P=S
- R(j);::P=S
- R(k);::P=S
- Refutation
- B(e);XP(F)
- Try
- P(E);
- Threat
- P=S
- Vars
- R(k);N_GUARD,XB(E)::QAB(C)
- P(f);OGATEB::R(D),XP(f)
- Q(b);OGATE::PXQ(b)=Q
- Refutation
- B(e);XP(F)
- Try
- P(E);
- Threat
- P=S
- Vars
- R(k);N_GUARD,XR(E)::QAB(C)
- P(f);OGATEB::R(D),XP(f)
- Q(b);OGATE::PXQ(b)=Q
- Refutation
- B(e);XP(F)
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- R(k);N_GUARD,XQ(F)::QAB(C)
- B(e);XR(D)::P=S
- P(f);OGATEB::R(D),XP(f)
- Q(b);N_GUARD,P_PINR(B)::P=S
- Q(b);N_GUARD::P=S
- R(j);::P=S
- R(k);N_GUARD::P=S
- B(e);::P=S
- B(e);::QAR2(F),XP(g)
- Refutation
- Q(b);XQ(F)
- Try
- Actual
- P(E);
- Threat
- P=S
- Vars
- R(k);N_GUARD,XS(E)::QAB(C)
- B(e);XP(F)::S(E),XB(e)
- P(f);OGATEB::R(D),XP(f)
- Q(b);OGATE::PXQ(b)=Q
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