MESON Chess Problem Database

Problem Display
PID: 134384 (K2QR3/3P3p/4B3/6pr/1R1N1Pp1/3PkP2/1n2rpP1/BN3b2 w - - 0 1)

Taraba, Jozef

Pravda, 1988

K2QR3/3P3p/4B3/6pr/1R1N1Pp1/3PkP2/1n2rpP1/BN3b2

#2

13 + 9

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd3
      • 2.Sf5#
    • 1...gxf4
      • 2.Bf5#
  • Tries
    • 1.Sc2+?
      • 1...Rxc2
        • 2.Bf5#
      • 1...Kxd3!
    • 1.Bc4+?
      • 1...Kxd4
        • 2.Qb6#
      • 1...Kxf4!
    • 1.Bxg4+?
      • 1...Kxf4
        • 2.Sxe2#
      • 1...Kxd3!
    • 1.Qc7?
      • threat
        • 2.Bf5#
      • 1...Kxd3
        • 2.Qc3#
      • 1...Sxd3
        • 2.Sf5#
      • 1...Sc4
        • 2.Bxc4#
      • 1...Rh6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Bc4#
      • 1...Kxd3
        • 2.Rb3#
      • 1...Sxd3
        • 2.Sf5#
      • 1...gxf4
        • 2.Bf5#
      • 1...Sc4
        • 2.Bxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK,XP(D)::S(G)
    • P(g);SBLOCK,XP(H)::R(M)+B(I)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(c);XS(G)::R(M)+B(I)
      • Refutation
        • K(e);P-FLIGHT,XP(D)
    • Try
      • B(I);CHECK
      • Vars
        • K(e);P_SPINS(b),S_FLIGHT,XS(G)::QAB(L)
      • Refutation
        • K(e);S_FLIGHT,XP(H)
    • Try
      • B(I);CHECK,XP(f)
      • Vars
        • K(e);S_FLIGHT,XP(H)::R(F)+S(G),DCHECK,XR(c)
      • Refutation
        • K(e);P-FLIGHT,XP(D)
    • Try
      • Q(L);
      • Threat
        • R(M)+B(I)
      • Vars
        • K(e);OGATEB,P-FLIGHT,XP(D)::QAR1(L)
        • S(b);SBLOCK,XP(D)::S(G)
        • S(b);::R(M)+B(I),XS(b)
      • Refutation
        • R(h);
  • Actual
    • Q(L);
    • Threat
      • R(M)+B(I)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(D)::R(F)
      • S(b);SBLOCK,XP(D)::S(G)
      • P(g);SBLOCK,XP(H)::R(M)+B(I)
      • S(b);::R(M)+B(I),XS(b)
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