MESON Chess Problem Database

Problem Display
PID: 52006 (8/8/8/8/6p1/6R1/5Pbp/RB2K2k w Q - 0 1)

Subotic, Miroslav

Die Schwalbe, 2004

(First published on Thu Apr 1 2004)

8/8/8/8/6p1/6R1/5Pbp/RB2K2k

#2

5 + 4

145 StrateGems 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Bxe4#
  • Tries
    • 1.Kd2?
      • threat
        • 2.Be4#
      • 1...Be4
        • 2.Bc2#
        • 2.Bd3#
        • 2.Bxe4#
      • 1...Kg1!
  • Keys
    • 1.Be4!
      • threat
        • 2.Kd2#
        • 2.Ke2#
        • 2.0-0-0#
      • 1...Kg1
        • 2.Ke2#
      • 1...Bxe4
        • 2.0-0-0#
      • 1...Bf3
        • 2.Kd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATEB::B(B),XB(b)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • R(A)+B(B)
      • Refutation
        • K(a);P-FLIGHT,P_SPINB(b)
  • Actual
    • B(B);P_PINB(b)
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::R(A)+K(C)
      • B(b);N_SPINB(b),XB(B)::0-0-0
      • B(b);::R(A)+K(C)
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