MESON Chess Problem Database

Problem Display
PID: 4511 (4nB2/3Pb3/2p3p1/4kp2/1P1r4/1B6/3N1K2/3R4 w - - 0 1)

Dyson, E

Huddersfield College Magazine, 1873

4nB2/3Pb3/2p3p1/4kp2/1P1r4/1B6/3N1K2/3R4

#2

7 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Sf3+!
      • 1...Ke4
        • 2.Rxd4#
      • 1...Kf4
        • 2.Rxd4#
      • 1...Kd6
        • 2.d8Q#
      • 1...Kf6
        • 2.dxe8S#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);CHECK
    • Vars
      • K(b);P-FLIGHT::R1(A),XR(a)
      • K(b);S_FLIGHT::R(A),XR(a)
      • K(b);P_SPINB(f),P_SPINR(a),S_FLIGHT::P=Q
      • K(b);S_FLIGHT::PXS(g)=S
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