MESON Chess Problem Database

Problem Display
PID: 188499 (8/4K2b/8/4k3/1N3pP1/2PP4/4P3/2r1B3 w - - 0 1)

Rosenthal, Moisej Schlemowitsch

Schweizerische Schachzeitung, 1969

8/4K2b/8/4k3/1N3pP1/2PP4/4P3/2r1B3

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc3
      • 2.Bxc3#
    • 1...Be4
      • 2.d4#
    • 1...f3
      • 2.Bg3#
  • Tries
    • 1.Bh4?
      • threat
        • 2.Bf6#
      • 1...f3
        • 2.Bg3#
      • 1...Bxd3!
  • Keys
    • 1.e4!
      • threat
        • 2.Sc6#
      • 1...Rxc3
        • 2.Bxc3#
      • 1...Bxe4
        • 2.d4#
      • 1...fxe4 ep
        • 2.Bg3#
      • 1...f3
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE,XP(C)::B(A),XR(a)
    • B(d);SBLOCK::P(D)
    • P(b);OGATEB::B(A)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • P(b);OGATEB::B(A)
      • Refutation
        • B(d);XP(D)
  • Actual
    • P(B);
    • Threat
      • S(E)
    • Vars
      • R(a);OGATE,XP(C)::B(A),XR(a)
      • B(d);SBLOCK,XP(B)::P(D)
      • P(b);EP,OGATEB,XP(B)::B(A)
      • P(b);OGATEB::B(A)
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