MESON Chess Problem Database

Problem Display
PID: 253147 (8/8/2Q5/1PpRb2N/2n1kp2/2P5/5PP1/5K2 w - - 0 1)

Browne, Gordon

The Field, 1910

(First published on Sat Apr 16 1910)

8/8/2Q5/1PpRb2N/2n1kp2/2P5/5PP1/5K2

#2

8 + 5

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sf6#
    • 1...Bf6
      • 2.Sxf6#
    • 1...Bc7
      • 2.Sf6#
    • 1...Bb8
      • 2.Sf6#
  • Tries
    • 1.f3+?
      • 1...Kf5
        • 2.Qf6#
      • 1...Ke3!
  • Keys
    • 1.Qg6+!
      • 1...Kxd5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(e);N_GUARD::S(G)
    • B(e);N_GUARD::S(G),XB(e)
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(b);N_GUARD,P_SPINB(e),S_FLIGHT::QAR1(H)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(H);CHECK
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(H)
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