MESON Chess Problem Database
Problem Display
PID: 149293 (2R3b1/PPPPP3/2kp4/3N1n2/Kb1BP3/1Rr4B/n5r1/8 w - - 0 1)
Lipton, Michael
5th HM., Sinfonie Scacchistiche, 1986-1987
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Kxb7
- 2.a8Q#
- 1...Kxd7
- 2.e8Q#
- 1...Ba3
- 2.b8S#
- 1...Ba5
- 2.b8S#
- 1...Bc5
- 2.b8S#
- 1...Se3
- 2.d8S#
- 1...Sg3
- 2.d8S#
- 1...Sh4
- 2.d8S#
- 1...Sh6
- 2.d8S#
- 1...Sxe7
- 2.d8S#
- 1...Sg7
- 2.d8S#
- 1...Kxb7
- Tries
- 1.Sxb4+?
- 1...Kxb7
- 2.a8Q#
- 2.a8B#
- 1...Kxd7
- 2.e8Q#
- 1...Sxb4!
- 1...Kxb7
- 1.Bxf5?
- threat
- 2.d8S#
- 1...Kxb7
- 2.a8Q#
- 1...Be6!
- threat
- 1.Ra8?
- threat
- 2.c8Q#
- 1...Kxd7
- 2.e8Q#
- 1...Sxe7
- 2.d8S#
- 1...Ba5
- 2.b8S#
- 1...Kxb7!
- threat
- 1.Rb8?
- threat
- 2.c8Q#
- 1...Kxd7
- 2.e8Q#
- 1...Sxd4
- 2.c8Q#
- 2.c8R#
- 1...Sxe7
- 2.d8S#
- 1...Se3
- 2.c8Q#
- 2.c8R#
- 2.d8S#
- 1...Sg3
- 2.c8Q#
- 2.c8R#
- 2.d8S#
- 1...Sh4
- 2.c8Q#
- 2.c8R#
- 2.d8S#
- 1...Sh6
- 2.c8Q#
- 2.c8R#
- 2.d8S#
- 1...Sg7
- 2.c8Q#
- 2.c8R#
- 2.d8S#
- 1...Ba5!
- threat
- 1.Rd8?
- threat
- 2.c8Q#
- 1...Kxb7
- 2.a8Q#
- 1...Ba3
- 2.Rb6#
- 2.b8S#
- 2.c8Q#
- 2.c8R#
- 1...Ba5
- 2.b8S#
- 1...Bc5
- 2.b8S#
- 2.c8Q#
- 2.c8R#
- 1...Sxe7!
- threat
- 1.Re8?
- threat
- 2.c8Q#
- 1...Kxb7
- 2.a8Q#
- 1...Sxe7
- 2.d8S#
- 1...Ba5
- 2.b8S#
- 1...Kxd7!
- threat
- 1.Rxg8?
- threat
- 2.c8Q#
- 1...Kxb7
- 2.a8Q#
- 1...Kxd7
- 2.e8Q#
- 1...Sxe7
- 2.d8S#
- 1...Ba5
- 2.b8S#
- 1...Rxg8!
- threat
- 1.a8Q?
- threat
- 2.b8S#
- 1...Kxd7
- 2.e8Q#
- 1...Sxe7
- 2.Sxe7#
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Se3
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sg3
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sh4
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sh6
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sg7
- 2.Qa6#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sxd4!
- threat
- 1.a8B?
- threat
- 2.b8S#
- 1...Kxd7
- 2.e8Q#
- 1...Sxe7
- 2.Sxe7#
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Se3
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sg3
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sh4
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sh6
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sg7
- 2.b8Q#
- 2.b8S#
- 2.b8B#
- 2.b8R#
- 2.d8S#
- 1...Sxd4!
- threat
- 1.b8Q?
- threat
- 2.Qb5#
- 1...Kxd7
- 2.e8Q#
- 1...Sxd4
- 2.Qb6#
- 1...Rc5!
- threat
- 1.e8Q?
- threat
- 2.d8S#
- 1...Kxb7
- 2.a8Q#
- 1...Ba3
- 2.Rb6#
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Ba5
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Bc5
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sxd4!
- threat
- 1.e8B?
- threat
- 2.d8S#
- 1...Kxb7
- 2.a8Q#
- 1...Ba3
- 2.Rb6#
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Ba5
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Bc5
- 2.b8S#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sxd4!
- threat
- 1.Sxb4+?
- Keys
- 1.Rf8!
- threat
- 2.c8Q#
- 1...Kxb7
- 2.a8Q#
- 1...Kxd7
- 2.e8Q#
- 1...Sxe7
- 2.d8S#
- 1...Ba5
- 2.b8S#
- threat
- 1.Rf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- B(d);::P=S
- S(e);::P=S
- S(e);XP(K)::P=S
- Tries
- Try
- S(F);CHECK,XB(d)
- Vars
- K(f);S_FLIGHT,XP(H)::P=Q
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- Refutation
- S(a);XS(F)
- Try
- B(B);XS(e)
- Threat
- P=S
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- Refutation
- B(h);
- Try
- R(L);
- Threat
- P=Q
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- S(e);XP(K)::P=S
- B(d);::P=S
- Refutation
- K(f);P_SPINB(d),S_FLIGHT,XP(H)
- Try
- R(L);
- Threat
- P=Q
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- S(e);XB(D)::P=Q
- S(e);XP(K)::P=S
- Refutation
- B(d);
- Try
- R(L);
- Threat
- P=Q
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- B(d);::P=S
- Refutation
- S(e);XP(K)
- Try
- R(L);
- Threat
- P=Q
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- S(e);XP(K)::P=S
- B(d);::P=S
- Refutation
- K(f);P_SPINS(e),S_FLIGHT,XP(J)
- Try
- R(L);XB(h)
- Threat
- P=Q
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- S(e);XP(K)::P=S
- B(d);::P=S
- Refutation
- R(b);XR(L)
- Try
- P(G);
- Threat
- P=S
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- Refutation
- S(e);XB(D)
- Try
- P(G);
- Threat
- P=S
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- Refutation
- S(e);XB(D)
- Try
- P(H);
- Threat
- QAB1(H)
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- S(e);XB(D)::QAR1(H)
- Refutation
- R(c);
- Try
- P(K);
- Threat
- P=S
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- Refutation
- S(e);XB(D)
- Try
- P(K);
- Threat
- P=S
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- Refutation
- S(e);XB(D)
- Try
- Actual
- R(L);
- Threat
- P=Q
- Vars
- K(f);P_SPINB(d),S_FLIGHT,XP(H)::P=Q
- K(f);P_SPINS(e),S_FLIGHT,XP(J)::P=Q
- S(e);XP(K)::P=S
- B(d);::P=S
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