MESON Chess Problem Database

Problem Display
PID: 95012 (B2Rb3/2bnp3/2r1N2K/2PkBR2/r3n1P1/3PQ1p1/5N2/8 w - - 0 1)

Labai, Zoltan

Taraba, Jozef

Pravda, 2002

B2Rb3/2bnp3/2r1N2K/2PkBR2/r3n1P1/3PQ1p1/5N2/8

#2

11 + 9

14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sf4#
    • 1...Bg6
      • 2.Sf4#
      • 2.Sxc7#
    • 1...Sd2
      • 2.Bxc7#
    • 1...Sxf2
      • 2.Bxc7#
    • 1...Sc3
      • 2.Bxc7#
    • 1...Sxc5
      • 2.Bxc7#
    • 1...Sg5
      • 2.Bxc7#
    • 1...Sd6
      • 2.Sxc7#
    • 1...Sf6
      • 2.Sxc7#
      • 2.Bxc7#
  • Tries
    • 1.Ba1+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bb2+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bc3+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bxg3+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bd4+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bf4+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bd6+?
      • 1...Se5
        • 2.Sf4#
        • 2.Sxc7#
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bf6+?
      • 1...Be5
        • 2.Sf4#
        • 2.Sc7#
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bg7+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
    • 1.Bh8+?
      • 1...Be5
        • 2.Rxe5#
      • 1...Kxe6!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Sf4#
      • 1...Kxe6
        • 2.Sf4#
      • 1...Sxc5
        • 2.Bxc7#
      • 1...Sd2
        • 2.Bxc7#
      • 1...Sf2
        • 2.Bxc7#
      • 1...Sc3
        • 2.Bxc7#
      • 1...Sg5
        • 2.Bxc7#
      • 1...Sd6
        • 2.Sxc7#
      • 1...Sf6
        • 2.Sxc7#
        • 2.Bxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(f);N_PINS(H),N_SPINS(g)::S(H)
    • S(c);::R(G)+B(F),XB(f)
    • S(c);XS(A)::R(G)+B(F),XB(f)
    • S(c);XP(E)::R(G)+B(F),XB(f)
    • S(c);N_PINS(H),N_SPINS(g)::S(H),XB(f)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK,XP(a)
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK,N_PINS(g),N_SPINS(H)
      • Refutation
        • K(d);N_SPINR(e),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK,N_SPINS(H)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
    • Try
      • B(F);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(G),XB(f)
      • Refutation
        • K(d);N_SPINR(e),N_SPINS(g),P_SPINS(c),S_FLIGHT,XS(H)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(d);N_SPINR(e),N_SPINS(g),S_FLIGHT,XS(H)::S(A)
      • S(c);XP(E)::R(G)+B(F),XB(f)
      • S(c);::R(G)+B(F),XB(f)
      • S(c);N_PINS(H),N_SPINS(g)::S(H),XB(f)
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