MESON Chess Problem Database

Problem Display
PID: 8107 (1b2B3/nK2p3/2pk2pR/5p2/5N2/1bQp1P2/8/3R4 w - - 0 1)

Gruber, Hans

ellinghoven, bernd

Prize, Paisley TT, 1995

1b2B3/nK2p3/2pk2pR/5p2/5N2/1bQp1P2/8/3R4

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd1
      • 2.Qd4#
    • 1...Bc2
      • 2.Qd4#
    • 1...Ba4
      • 2.Rxd3#
      • 2.Qd4#
  • Tries
    • 1.Sxg6?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Sxe7#
      • 1...Ke6
        • 2.Sf4#
      • 1...e5
        • 2.Qxe5#
      • 1...Bd5!
    • 1.Rxg6+?
      • 1...Be6
        • 2.Rxd3#
        • 2.Rxe6#
        • 2.Qd4#
      • 1...e6!
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Sf4#
      • 1...Ke6
        • 2.Sc5#
      • 1...e5
        • 2.Qxe5#
      • 1...e6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD,N_SPINP(b),P_SPINP(f),XR(A)::QAR2(B)
    • B(a);N_GUARD::QAR2(B)
  • Tries
    • Try
      • S(D);XP(f)
      • Threat
        • QAB1(B)
      • Vars
        • K(e);P-FLIGHT::S(D),XP(h)
        • K(e);N_SPINP(b),P-FLIGHT::R(E)+S(D),DCHECK
        • P(h);::QAB1(B),XP(h)
      • Refutation
        • B(a);N_SPINP(b)
    • Try
      • R(E);CHECK,XP(f)
      • Refutation
        • P(h);
  • Actual
    • S(D);P_PINP(f),XP(b)
    • Threat
      • QAB1(B)
    • Vars
      • K(e);N_SPINP(f),P-FLIGHT::R(A)+S(D),DCHECK
      • K(e);P-FLIGHT::S(D)
      • P(h);::QAB1(B),XP(h)
      • P(h);N_SPINP(f),SBLOCK::QAB1(B)
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