MESON Chess Problem Database

Problem Display
PID: 132765 (8/KPP1ppq1/R1B1b1p1/NRp1knb1/2Q3r1/1P3p2/PN2pP2/B3r3 w - - 0 1)

Murkisch, Godehard

stern, 1999

8/KPP1ppq1/R1B1b1p1/NRp1knb1/2Q3r1/1P3p2/PN2pP2/B3r3

#2

13 + 13

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc5+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Kf6
        • 2.Qe5#
      • 1...Bd5!
  • Keys
    • 1.Qf4+!
      • 1...Kxf4
        • 2.Sd3#
      • 1...Kf6
        • 2.Sd1#
      • 1...Rxf4
        • 2.Sbc4#
      • 1...Bxf4
        • 2.Sbc4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK,XP(e)
      • Vars
        • K(f);S_FLIGHT::S(C)
        • K(f);S_FLIGHT::QAB1(F)
      • Refutation
        • B(i);P_SPINB(i)
  • Actual
    • Q(F);CHECK
    • Vars
      • K(f);N_SPINP(e),S_FLIGHT,XQ(F)::S(C)
      • K(f);N_SPINP(e),P_SPINS(g),S_FLIGHT::B(A)+S(C)
      • R(d);SBLOCK,XQ(F)::B(A)+S(C),DCHECK
      • B(h);SBLOCK,XQ(F)::B(A)+S(C),DCHECK
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