MESON Chess Problem Database

Problem Display
PID: 96587 (1N6/8/1K5P/8/k4B1b/P5R1/1P5P/2N5 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 1988

1N6/8/1K5P/8/k4B1b/P5R1/1P5P/2N5

#2

9 + 2

6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd6?
      • threat
        • 2.Rg4#
        • 2.b3#
      • 1...Bxg3
        • 2.b3#
      • 1...Bg5
        • 2.b3#
      • 1...Bf6
        • 2.b3#
      • 1...Bd8+!
  • Keys
    • 1.Rg4!
      • threat
        • 2.Bd2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Be5#
        • 2.Bg5#
        • 2.Bd6#
        • 2.Bc7#
      • 1...Bf2+
        • 2.Be3#
      • 1...Bd8+
        • 2.Bc7#
      • 1...Be7
        • 2.Bd6#
      • 1...Be1
        • 2.Bd2#
      • 1...Bg3
        • 2.Bxg3#
      • 1...Bg5
        • 2.Bxg5#
      • 1...Bf6
        • 2.Be5#

This anticipates 133084(2006)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XR(E)::P(B)
        • B(b);::P(B)
      • Refutation
        • B(b);CHECK
  • Actual
    • R(E);
    • Threat
      • DUALS(7)
    • Vars
      • B(b);CHECK::R(E)+B(F)
      • B(b);::R(E)+B(F)
      • B(b);::R(E)+B(F),XB(b)
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