MESON Chess Problem Database

Problem Display
PID: 134094 (5B2/2N5/2p5/p7/kP6/b2p4/Q7/1R1b2K1 w - - 0 1)

Rice, John Michael

The Problemist Supplement, 2009

5B2/2N5/2p5/p7/kP6/b2p4/Q7/1R1b2K1

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qb3#
    • 1...Bb3
      • 2.Qxb3#
    • 1...Bf3
      • 2.Qb3#
    • 1...Bg4
      • 2.Qb3#
    • 1...Bh5
      • 2.Qb3#
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qxc6#
      • 1...Bxb4
        • 2.Ra1#
      • 1...axb4
        • 2.Qa6#
      • 1...Bc1
        • 2.b5#
      • 1...Bb2
        • 2.b5#
      • 1...Bf3
        • 2.Qb3#
      • 1...c5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::QAB1(C)
    • B(a);N_GUARD::QAB1(C),XB(a)
  • Actual
    • Q(C);N_PINB(b)
    • Threat
      • QAB(C),XP(f)
    • Vars
      • B(b);OGATEB,P_SPINB(b),XP(D)::R(A)
      • P(e);OGATEB,P_SPINP(e),XP(D)::QAR2(C)
      • B(b);N_GUARD::QAR(C)+P(D)
      • B(a);N_GUARD::QAB1(C)
      • P(f);N_GUARD::QAB1(C)
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