MESON Chess Problem Database

Problem Display
PID: 7850 (2KQ4/p2N4/2P2P2/8/2pkpB2/3P4/1P1n3R/8 w - - 0 1)

Buglos, Janos

Pat a Mat, 1994

2KQ4/p2N4/2P2P2/8/2pkpB2/3P4/1P1n3R/8

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Rxd2#
  • Tries
    • 1.Rh5?
      • threat
        • 2.Sc5#
        • 2.Sb6#
        • 2.Sb8#
        • 2.Sf8#
      • 1...cxd3
        • 2.Sb6#
      • 1...exd3
        • 2.Sc5#
      • 1...Kxd3!
    • 1.Qc7?
      • threat
        • 2.Qd6#
      • 1...Kxd3
        • 2.Rxd2#
      • 1...Kd5
        • 2.Qd6#
      • 1...exd3
        • 2.Qe5#
      • 1...cxd3!
    • 1.Qf8?
      • threat
        • 2.Qd6#
      • 1...Kxd3
        • 2.Rxd2#
      • 1...Kd5
        • 2.Qd6#
      • 1...cxd3
        • 2.Qc5#
      • 1...exd3!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qd6#
      • 1...Kxd3
        • 2.Rxd2#
      • 1...Kd5
        • 2.Qd6#
      • 1...cxd3
        • 2.Qc5#
      • 1...exd3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,P-FLIGHT,XP(C)::R1(B),XS(a)
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(4)
      • Vars
        • P(b);SBLOCK,XP(C)::QAR(I)+S(G)
        • P(d);XP(C)::QAR(I)+S(G)
      • Refutation
        • K(c);P-FLIGHT,XP(C)
    • Try
      • Q(I);
      • Threat
        • QAR2(I)
      • Vars
        • K(c);OGATEB,P-FLIGHT,XP(C)::R1(B),XS(a)
        • K(c);P-FLIGHT::QAR1(I)
        • P(d);SBLOCK,XP(C)::QAB1(I)
      • Refutation
        • P(b);XP(C)
    • Try
      • Q(I);
      • Threat
        • QAR2(I)
      • Vars
        • K(c);OGATEB,P-FLIGHT,XP(C)::R1(B),XS(a)
        • K(c);P-FLIGHT::QAR1(I)
        • P(b);SBLOCK,XP(C)::QAB1(I)
      • Refutation
        • P(d);XP(C)
  • Actual
    • Q(I);
    • Threat
      • QAR2(I)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XP(C)::R1(B),XS(a)
      • K(c);P-FLIGHT::QAR1(I)
      • P(b);SBLOCK,XP(C)::QAB1(I)
      • P(d);SBLOCK,XP(C)::QAB1(I)
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