MESON Chess Problem Database

Problem Display
PID: 175249 (8/r6p/3R1Brk/8/5NpK/8/8/8 w - - 0 1)

Palkoska, Emil

The Times, 1902

8/r6p/3R1Brk/8/5NpK/8/8/8

#2

4 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rgg7
      • 2.Bg5#
    • 1...Rag7
      • 2.Bg5#
  • Keys
    • 1.Sh5!
      • threat
        • 2.Bg5#
      • 1...Rxf6
        • 2.Rxf6#
      • 1...Rg5
        • 2.Bxg5#
        • 2.Bg7#
      • 1...Ra5
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(b);SBLOCK::R(C)+B(D),DCHECK
    • R(d);SBLOCK::B(D)
  • Actual
    • S(A);
    • Threat
      • B(D)
    • Vars
      • R(b);OGATE,P_SPINR(b),XB(D)::R(C),XR(b)
      • R(d);N_GUARD::B(D)
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