MESON Chess Problem Database

Problem Display
PID: 249450 (7K/5pB1/5R2/4k2p/1PB2R2/4rpn1/8/8 w - - 0 1)

Turmasov, V

64 Shakhmatnoe obozrenie, 2021

7K/5pB1/5R2/4k2p/1PB2R2/4rpn1/8/8

#2

6 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rxf3?
      • threat
        • 2.Re6#
      • 1...Kd4
        • 2.R6f4#
      • 1...Ke4
        • 2.R6f4#
      • 1...Rxf3!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rxf7#
      • 1...Kxd4
        • 2.Rf4#
      • 1...Se4
        • 2.Rd5#
      • 1...Sf5
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);XP(b)
      • Threat
        • B(E)+R(D),DCHECK
      • Vars
        • K(d);S_FLIGHT::B(E)+R(D),DCHECK
        • K(d);P-FLIGHT::R1(D)
      • Refutation
        • R(a);XR(C)
  • Actual
    • R(C);
    • Threat
      • B(E)+R(D),XP(f)
    • Vars
      • K(d);S_FLIGHT,XR(C)::B(E)+R(D),DCHECK
      • S(c);SBLOCK::R1(C)
      • S(c);SBLOCK::B(E)+R(D),DCHECK
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