MESON Chess Problem Database

Problem Display
PID: 244439 (8/4b2B/R3pR2/rQq3kp/p6p/8/1B3N2/5NK1 w - - 0 1)

Eerkes, Allard Pieter

Tijdschrift vd KNSB, 1935

8/4b2B/R3pR2/rQq3kp/p6p/8/1B3N2/5NK1

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf6
      • 2.Bc1#
    • 1...e5
      • 2.Rf5#
  • Tries
    • 1.Rg6+?
      • 1...Kf5
        • 2.Rg4#
      • 1...Kf4!
  • Keys
    • 1.Sh2!
      • threat
        • 2.Sf3#
      • 1...Bxf6
        • 2.Bc1#
      • 1...Qe5
        • 2.Se4#
      • 1...Qf5
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(h);SBLOCK,XR(G)::B(C)
    • P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(G)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(e);OGATE,P-FLIGHT::B(H)+R(G)
      • Refutation
        • K(e);N_SPINQ(d),S_FLIGHT
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(h);SBLOCK,XR(G)::B(C)
      • Q(d);N_PINS(D)::S(D)
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