MESON Chess Problem Database
Problem Display
PID: 140627 (3QK1B1/8/2PpPp2/B1n1k3/2P1p2N/3P2P1/1q2R3/3R4 w - - 0 1)
Riva, Rodolfo
Probleemblad, 2010
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qxf6#
- 2.Qxd6#
- 1...Qc1
- 2.d4#
- 1...Qa3
- 2.d4#
- 1...Qc3
- 2.Bxc3#
- 1...Qb1
- 2.Bc3#
- 2.d4#
- 1...Qa2
- 2.Bc3#
- 2.d4#
- 1...Qc2
- 2.d4#
- 1...Qxe2
- 2.Bc3#
- 2.d4#
- 1...Qb3
- 2.d4#
- 1...Qb4
- 2.d4#
- 1...Qb5
- 2.Bc3#
- 2.d4#
- 1...Qb6
- 2.Bc3#
- 2.d4#
- 1...Qb7
- 2.Bc3#
- 2.d4#
- 1...Qb8
- 2.Bc3#
- 2.d4#
- 1...Sb3
- 2.Rxe4#
- 1...Sa4
- 2.Rxe4#
- 1...Sa6
- 2.Rxe4#
- 1...Sxe6
- 2.Rxe4#
- 1...Sb7
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...d5
- 2.Qxd5#
- 1...f5
- 2.Sf3#
- 1...Kd4
- Tries
- 1.Kf7?
- threat
- 2.Qxf6#
- 1...Kd4
- 2.Qxf6#
- 2.Qxd6#
- 1...Sd7
- 2.Rxe4#
- 1...d5
- 2.Qxd5#
- 1...f5
- 2.Sf3#
- 2.Qf6#
- 1...Qb7+!
- threat
- 1.Sg6+?
- 1...Kd4
- 2.Qxf6#
- 2.Qxd6#
- 1...Kf5!
- 1...Kd4
- 1.Bc7?
- threat
- 2.Qxd6#
- 1...Kd4
- 2.Qxf6#
- 1...Qb8
- 2.d4#
- 1...Sb7
- 2.Rxe4#
- 1...Sd7
- 2.Rxe4#
- 1...f5
- 2.Sf3#
- 1...Qd4!
- threat
- 1.dxe4?
- threat
- 2.Sf3#
- 2.Sg6#
- 2.Rd5#
- 2.Qxd6#
- 1...Sxe4
- 2.Rd5#
- 2.Qxd6#
- 1...Qd2
- 2.Sf3#
- 1...Sd3
- 2.Sf3#
- 1...Qd4
- 2.Sf3#
- 2.Sg6#
- 1...Qa3
- 2.Sg6#
- 2.Rd5#
- 2.Qxd6#
- 1...Qc3
- 2.Sg6#
- 2.Bxc3#
- 2.Rd5#
- 2.Qxd6#
- 1...Qb3
- 2.Sg6#
- 2.Rd5#
- 2.Qxd6#
- 1...Qb8
- 2.Sf3#
- 2.Sg6#
- 2.Bc3#
- 2.Rd5#
- 1...Sb7
- 2.Sf3#
- 2.Sg6#
- 2.Rd5#
- 1...Sd7
- 2.Sf3#
- 2.Sg6#
- 2.Rd5#
- 1...d5
- 2.Sf3#
- 2.Sg6#
- 2.Bc7#
- 2.Rxd5#
- 2.Qc7#
- 2.Qxd5#
- 1...f5
- 2.Sf3#
- 2.Sg6#
- 2.Rd5#
- 1...Qxe2!
- threat
- 1.Kf7?
- Keys
- 1.Rf1!
- threat
- 2.Qxf6#
- 1...Kd4
- 2.Qxd6#
- 1...Qb8
- 2.Bc3#
- 1...Sd7
- 2.Rxe4#
- 1...d5
- 2.Qxd5#
- 1...f5
- 2.Sf3#
- threat
- 1.Rf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(a);N_GUARD::P(C)
- Q(a);N_GUARD::B(G),XQ(a)
- S(c);N_GUARD::R1(B),XP(b)
- S(c);N_GUARD,XP(I)::R1(B),XP(b)
- P(e);OGATE::QAR1(J),XP(e)
- P(f);SBLOCK::S(F)
- Tries
- Try
- K(K);S_FLIGHT
- Threat
- QAB1(J),XP(f)
- Vars
- S(c);N_GUARD::R1(B),XP(b)
- P(e);OGATE::QAR1(J),XP(e)
- Refutation
- Q(a);CHECK
- Try
- S(F);CHECK
- Refutation
- K(d);N_SPINP(b),P-FLIGHT
- Try
- B(G);
- Threat
- QAB1(J),XP(e)
- Vars
- K(d);N_SPINP(b),P_SPINP(e),S_FLIGHT::QAB(J),XP(f)
- Q(a);N_GUARD,P_PINQ(J)::P(C)
- S(c);N_GUARD::R1(B),XP(b)
- P(f);SBLOCK::S(F)
- Refutation
- Q(a);
- Try
- P(C);XP(b)
- Threat
- DUALS(4)
- Vars
- Q(a);::S(F)
- S(c);::S(F)
- Refutation
- Q(a);XR(B)
- Try
- Actual
- R(A);
- Threat
- QAB1(J),XP(f)
- Vars
- K(d);N_SPINP(b),P_SPINP(e),S_FLIGHT::QAR2(J),XP(e)
- Q(a);N_GUARD,P_PINQ(J)::B(G)
- S(c);N_GUARD::R1(B),XP(b)
- P(e);OGATE::QAR1(J),XP(e)
- P(f);SBLOCK::S(F)
Developed and maintained by Brian Stephenson.
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