MESON Chess Problem Database

Problem Display
PID: 251287 (2B5/3R4/8/5R2/5p1b/2r1pP1k/b1P1N3/5KB1 w - - 0 1)

Prins, Hendrik

Schakend Nederland, 1980

2B5/3R4/8/5R2/5p1b/2r1pP1k/b1P1N3/5KB1

#2

8 + 6

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rg7?
      • threat
        • 2.Sxf4#
      • 1...Be1
        • 2.Rh5#
      • 1...Bf2
        • 2.Rh5#
      • 1...Bg3
        • 2.Rh5#
      • 1...Bf6
        • 2.Rh5#
      • 1...Be7
        • 2.Rh5#
      • 1...Bd8
        • 2.Rh5#
      • 1...Rc4
        • 2.Rc5#
      • 1...Bc4
        • 2.Rd5#
      • 1...Bg5!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Sxf4#
      • 1...Bxg5
        • 2.Rh7#
      • 1...Be1
        • 2.Rh7#
      • 1...Bf2
        • 2.Rh7#
      • 1...Bg3
        • 2.Rh7#
      • 1...Rc4
        • 2.Rc7#
      • 1...Bc4
        • 2.Rdd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Threat
        • S(D),XP(e)
      • Vars
        • B(f);::B(H)+R(F),DCHECK
        • R(b);S_CUTB(a)::B(H)+R(F)
        • B(a);P_PINS(D),S_CUTR(b)::B(H)+R(F)
      • Refutation
        • B(f);
  • Actual
    • R(F);
    • Threat
      • S(D),XP(e)
    • Vars
      • B(f);XR(F)::B(H)+R(G),DCHECK
      • B(f);::B(H)+R(G),DCHECK
      • R(b);S_CUTB(a)::B(H)+R(G)
      • B(a);P_PINS(D),S_CUTR(b)::B(H)+R(G)
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