MESON Chess Problem Database

Problem Display
PID: 221574 (bR6/1q3Q1B/n6b/R2Np3/5p1r/NkB5/7p/n6K w - - 0 1)

Alexander, Frederick Forrest Lawrie

British Chess Magazine, 1927

bR6/1q3Q1B/n6b/R2Np3/5p1r/NkB5/7p/n6K

#2

8 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2+?
      • 1...Ka2
        • 2.Sb1#
        • 2.Sc4#
        • 2.Sb5#
      • 1...Sxc2!
  • Keys
    • 1.Sb1!
      • threat
        • 2.Sd2#
      • 1...Kc4
        • 2.Sd2#
      • 1...e4
        • 2.Se3#
      • 1...f3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);CHECK
      • Refutation
        • S(a);XB(G)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(c);N_SPINQ(i),S_FLIGHT::S(B)
      • P(f);N_PINS(E)::QAB(F)+S(E)
      • P(d);N_PINS(E)::QAB(F)+S(E)
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