MESON Chess Problem Database

Problem Display
PID: 107668 (NN2R1b1/1p4p1/p2kP3/r1r2P2/PQ4P1/3K2b1/1B6/7B w - - 0 1)

Bakcsi, Gyorgy

3rd HM., Szoghy-80 MT, 1993

NN2R1b1/1p4p1/p2kP3/r1r2P2/PQ4P1/3K2b1/1B6/7B

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6
      • 2.Rxe6#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Rd8#
      • 1...bxc6
        • 2.Qb8#
      • 1...Bh4
        • 2.Be5#
      • 1...Bxe6!
    • 1.Be5+?
      • 1...Kxe5
        • 2.Qd4#
      • 1...Bxe5!
    • 1.Bf6?
      • threat
        • 2.Rd8#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...gxf6!
    • 1.Re7?
      • threat
        • 2.Rd7#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...Kxe7!
    • 1.Qxc5+?
      • 1...Kxc5
        • 2.Ba3#
      • 1...Rxc5!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Rxa4
        • 2.Qxc5#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...Bf2
        • 2.Qf4#
      • 1...Be5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(h);OGATE,XP(H)::R1(K),XB(h)
  • Tries
    • Try
      • S(J);
      • Threat
        • R(K)
      • Vars
        • P(f);OGATE,XS(J)::QAB(E)
        • B(a);N_GUARD::B(B)
      • Refutation
        • B(h);XP(H)
    • Try
      • B(B);CHECK
      • Vars
        • K(e);N_SPINR(c),S_FLIGHT,XB(B)::QAB1(E)
      • Refutation
        • B(a);XB(B)
    • Try
      • B(B);
      • Threat
        • R(K)
      • Vars
        • B(h);OGATE,XP(H)::R1(K),XB(h)
      • Refutation
        • P(g);XB(B)
    • Try
      • R(K);
      • Threat
        • R1(K)
      • Vars
        • B(h);OGATE,XP(H)::R1(K),XB(h)
      • Refutation
        • K(e);S_FLIGHT,XR(K)
    • Try
      • Q(E);CHECK,XR(c)
      • Vars
        • K(e);S_FLIGHT,XQ(E)::B(B)
      • Refutation
        • R(b);XQ(E)
  • Actual
    • B(B);
    • Threat
      • QAR2(E)
    • Vars
      • K(e);N_SPINR(c),S_FLIGHT::QAB1(E)
      • R(b);N_GUARD,XP(D)::QAB1(E),XR(c)
      • B(h);OGATE,XP(H)::R1(K),XB(h)
      • B(a);N_GUARD::QAB(E)
      • B(a);SBLOCK::QAR2(E)
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