MESON Chess Problem Database

Problem Display
PID: 140387 (2R5/3Q4/8/N7/2p5/1P2p3/2bp1N2/KBkn4 w - - 0 1)

Jarman, CP

The Problemist, 1943

2R5/3Q4/8/N7/2p5/1P2p3/2bp1N2/KBkn4

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.Sd3#
      • 2.Sxb3#
    • 1...Bd3
      • 2.Sxd3#
    • 1...cxb3
      • 2.Sd3#
      • 2.Sxb3#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxc2#
      • 1...Bxb1
        • 2.Qxb1#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Bxd3
        • 2.Sxd3#
      • 1...cxb3
        • 2.Sxb3#
      • 1...cxd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD,P_SPINP(f)::S(C),XB(c)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XB(c)
    • Vars
      • B(c);OGATE,P_SPINP(f),XB(B)::QAR1(F),XB(c)
      • B(c);P_SPINP(f),XP(D)::S(E),XB(c)
      • B(c);P_SPINP(f),XQ(F)::S(C),XB(c)
      • P(f);P_SPINB(c),XP(D)::S(E),XP(f)
      • P(f);P_SPINB(c),XQ(F)::S(C),XP(f)
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