MESON Chess Problem Database

Problem Display
PID: 248997 (3R2B1/4prr1/4k2N/3n2p1/6N1/3nbp1Q/8/5K2 w - - 0 1)

Bouchez, Laurent

The Problemist, 1990

3R2B1/4prr1/4k2N/3n2p1/6N1/3nbp1Q/8/5K2

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rg6
      • 2.Bxf7#
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Qf5#
      • 1...Rxg8
        • 2.Qxf7#
      • 1...Bf4
        • 2.Qxd5#
      • 1...S3f4
        • 2.Qe4#
      • 1...S5f4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(i);N_GUARD::B(F),XR(h)
  • Actual
    • Q(B);P_SPINQ(B),XP(c)
    • Threat
      • QAB1(B)
    • Vars
      • R(i);N_GUARD,N_SPINR(h),XB(F)::QAB1(B),XR(h)
      • B(b);N_PINQ(B)::QAB1(B),XS(d)
      • S(a);N_PINQ(B)::QAR2(B)
      • S(d);N_PINQ(B)::QAR2(B)
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