MESON Chess Problem Database

Problem Display
PID: 136692 (5R1K/2p1pb2/8/2nBkpn1/2P3pR/B2rpP2/3Q4/8 w - - 0 1)

McDowell, Michael

Comm., British Chess Magazine, 2009-2011

5R1K/2p1pb2/8/2nBkpn1/2P3pR/B2rpP2/3Q4/8

#2

8 + 10

56 The Problemist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
    • 1...Kf4
      • 2.Qh2#
  • Keys
    • 1.f4+!
      • 1...Kd4
        • 2.Bb2#
      • 1...Kxf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Rd8#
      • 1...Kf6
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(c),P_SPINR(a),S_FLIGHT::B(B)
    • K(e);P_SPINP(b),S_FLIGHT::QAB(A)
  • Actual
    • P(C);CHECK
    • Vars
      • K(e);P_SPINR(a),S_FLIGHT::B(B)
      • K(e);P_SPINP(b),S_FLIGHT,XP(C)::QAB(A)
      • K(e);P_SPINS(d),S_FLIGHT::R(G)
      • K(e);P_SPINB(j),S_FLIGHT::R(E)
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