MESON Chess Problem Database

Problem Display
PID: 134698 (1Kb5/2Q5/1R1NN3/3k2p1/5b1R/nr1ppr2/B7/B1n5 w - - 0 1)

Labai, Zoltan

Taraba, Jozef

3rd HM., Umenie 64, 2004

1Kb5/2Q5/1R1NN3/3k2p1/5b1R/nr1ppr2/B7/B1n5

#2

8 + 10

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qf7#
    • 1...Bxd6
      • 2.Qxd6#
    • 1...Bxe6
      • 2.Qc6#
    • 1...Sb1
      • 2.Qc4#
    • 1...Sc2
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sb5
      • 2.Qc4#
  • Tries
    • 1.Bxb3+?
      • 1...Sc4
        • 2.Bxc4#
        • 2.Qxc4#
      • 1...Sxb3!
    • 1.Rh6?
      • threat
        • 2.Qc5#
        • 2.Qc6#
      • 1...Bxe6
        • 2.Qc6#
      • 1...Bb7
        • 2.Qc5#
        • 2.Qxb7#
      • 1...Bd7
        • 2.Qc5#
      • 1...Bxd6!
    • 1.Rb5+?
      • 1...Kxe6
        • 2.Rh6#
      • 1...Sxb5!
    • 1.Qb7+?
      • 1...Kxe6
        • 2.Rh6#
        • 2.Qf7#
      • 1...Bxb7!
  • Keys
    • 1.Se8!
      • threat
        • 2.Sf6#
      • 1...Bxc7+
        • 2.S8xc7#
      • 1...Ke4
        • 2.Qe5#
      • 1...Bh2
        • 2.Rd4#
      • 1...Bg3
        • 2.Rd4#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • K(h);OGATEB,S_FLIGHT,XS(F)::QAB1(G)
    • B(g);OGATE,P_PINQ(G),XS(E)::QAR1(G),XB(g)
    • B(j);SBLOCK,XS(F)::QAB1(G)
    • S(b);N_GUARD::QAB1(G)
    • S(b);N_GUARD,N_SPINR(c)::QAB1(G),XS(b)
    • S(b);N_GUARD,N_PINR(D)::QAB1(G)
  • Tries
    • Try
      • B(B);CHECK,N_SPINR(D),XR(c)
      • Refutation
        • S(a);XB(B)
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(j);XS(F)::QAB1(G)
        • B(j);::QAR1(G)
      • Refutation
        • B(g);P_PINQ(G),XS(E)
    • Try
      • R(D);CHECK
      • Vars
        • K(h);S_FLIGHT,XS(F)::R(C)
      • Refutation
        • S(b);XR(D)
    • Try
      • Q(G);CHECK,N_SPINR(D),P_SPINS(E)
      • Refutation
        • B(j);XQ(G)
  • Actual
    • S(E);P_SPINQ(G)
    • Threat
      • S(E)
    • Vars
      • B(g);CHECK,XQ(G)::S(E),XB(g)
      • K(h);N_SPINR(c),P_SPINB(g),S_FLIGHT::QAR1(G)
      • B(g);OGATE::R1(C)
      • B(g);N_GUARD::QAR1(G),XB(g)
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