MESON Chess Problem Database

Problem Display
PID: 246621 (8/2B5/8/1k1B4/2R5/2P5/1K6/8 w - - 0 1)

Chistyakov, Nikolay

Magadanskaya Pravda, 1998

8/2B5/8/1k1B4/2R5/2P5/1K6/8

#2

5 + 1

15148 Sadier Collection 2021
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6+?
      • 1...Ka6
        • 2.Ra4#
      • 1...Kxc4!
    • 1.Rc5+?
      • 1...Ka4
        • 2.Bb3#
        • 2.Bc6#
        • 2.Ra5#
      • 1...Ka6
        • 2.Ra5#
      • 1...Kxc5!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Ra5#
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc5
        • 2.Ra5#

Anticipated by 224601(1888)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::R(C)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(C)
      • Refutation
        • K(a);P-FLIGHT,XR(C)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(a);S_FLIGHT,XR(C)::B(D)
      • K(a);P-FLIGHT::R(C)
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