MESON Chess Problem Database

Problem Display
PID: 61163 (8/2B1pR2/3rp2p/4k1p1/1r6/1Np1bB2/1PnQn3/3KR3 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 2005

8/2B1pR2/3rp2p/4k1p1/1r6/1Np1bB2/1PnQn3/3KR3

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Scd4
      • 2.Qxe3#
    • 1...Sed4
      • 2.Qh2#
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sc6#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Rb6
        • 2.Sc4#
      • 1...Scd4
        • 2.Qxe3#
      • 1...Sed4
        • 2.Qh2#

This is after

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_PINQ(D)::QAR2(D),XB(d)
    • S(b);N_PINQ(D),P_SPINB(d)::QAB(D)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(e);N_GUARD::S(E),XR(e)
      • R(e);N_GUARD::S(E)
      • S(a);N_PINQ(D)::QAR2(D),XB(d)
      • S(b);N_PINQ(D),P_SPINB(d),SBLOCK::QAB(D)
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