MESON Chess Problem Database

Problem Display
PID: 117523 (1KQ2N1n/2pN4/5P1r/2P1Pk1p/6pB/6P1/1n1P2B1/4r3 w - - 0 1)

Maleika, Gerhard

Thema Danicum, 1993

1KQ2N1n/2pN4/5P1r/2P1Pk1p/6pB/6P1/1n1P2B1/4r3

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • threat
        • 2.Qe6#
      • 1...Rxe5
        • 2.Qf1#
      • 1...Rxf6
        • 2.Qxf6#
      • 1...c6!
    • 1.d4?
      • threat
        • 2.Sb6#
      • 1...Rxe5
        • 2.Sxe5#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Rh7!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qe6#
      • 1...Rxe5
        • 2.Qxe5#
      • 1...Rxf6
        • 2.Qxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Vars
        • R(a);N_GUARD,XP(F)::QAR(J)
        • R(f);OGATE,XP(G)::QAR1(J),XR(f)
      • Refutation
        • P(g);
    • Try
      • P(A);
      • Threat
        • QAB(J)+S(H)
      • Vars
        • R(a);XP(F)::QAB(J)+S(H),XR(a)
        • R(f);XP(G)::QAB(J)+S(H),XR(f)
      • Refutation
        • R(f);
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • R(a);OGATE,XP(F)::QAR1(J),XR(a)
      • R(f);N_GUARD,XP(G)::QAR2(J),XP(e)
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