MESON Chess Problem Database

Problem Display
PID: 243302 (3b3n/2p2pp1/2K2k2/R7/3N4/BP3P2/8/1B2R3 w - - 0 1)

Andersson, Gunnar

Norsk Sjakkblad, 1933

3b3n/2p2pp1/2K2k2/R7/3N4/BP3P2/8/1B2R3

#2

8 + 6

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.Bxe7#
    • 1...Sg6
      • 2.Rf5#
  • Keys
    • 1.Bb2!
      • 1...g5
        • 2.Sb5#
      • 1...g6
        • 2.Sc2#
      • 1...Be7
        • 2.Se6#
      • 1...Sg6
        • 2.Rf5#

Anticipated by 198125(1920)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::B(C),XB(e)
    • S(f);SBLOCK::R1(G)
  • Actual
    • B(C);
    • Vars
      • P(d);SBLOCK::B(C)+S(F)
      • B(e);SBLOCK::B(C)+S(F)
      • S(f);SBLOCK::R1(G)
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