MESON Chess Problem Database

Problem Display
PID: 187216 (5B2/7K/1p3kP1/1Rb1p2R/2P2pB1/4nP2/4Q3/8 w - - 0 1)

Anonymous

12. Kwik-Toernooi, 1979

5B2/7K/1p3kP1/1Rb1p2R/2P2pB1/4nP2/4Q3/8

#2

9 + 6

102 Probleemblad 1979

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.Bg7#
    • 1...Sd1
      • 2.Qxe5#
    • 1...Sf1
      • 2.Qxe5#
    • 1...Sc2
      • 2.Qxe5#
    • 1...Sg2
      • 2.Qxe5#
    • 1...Sd5
      • 2.Qxe5#
  • Tries
    • 1.Rxb6+?
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bxb6!
  • Keys
    • 1.Rxe5!
      • threat
        • 2.Bg7#
      • 1...Kxe5
        • 2.Qb2#
      • 1...Bxf8
        • 2.Re6#
      • 1...Sf5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(c);SBLOCK::B(I)
    • S(a);OGATE::QAB1(A),XP(d)
  • Tries
    • Try
      • R(E);CHECK,XP(e)
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R(E),XB(c)
      • Refutation
        • B(c);XR(E)
  • Actual
    • R(F);XP(d)
    • Threat
      • B(I)
    • Vars
      • K(f);OGATEB,P_SPINB(c),P_SPINS(a),S_FLIGHT,XR(F)::QAB(A)
      • B(c);XB(I)::R1(F)
      • S(a);N_GUARD::R1(F),XS(a)
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