MESON Chess Problem Database

Problem Display
PID: 51889 (8/4R3/6pk/B7/8/4K2P/8/1B6 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

StrateGems, 2004

8/4R3/6pk/B7/8/4K2P/8/1B6

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Rh7#
  • Tries
    • 1.Kf4?
      • 1...Kh5
        • 2.Rh7#
      • 1...g5+!
    • 1.Rh7+?
      • 1...Kg5
        • 2.Bd8#
      • 1...Kxh7!
    • 1.h4?
      • 1...g5
        • 2.Rh7#
      • 1...Kh5!
  • Keys
    • 1.Bd8!
      • 1...Kg5
        • 2.Rh7#
      • 1...Kh5
        • 2.Rh7#
      • 1...g5
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);SBLOCK::R1(E)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::R(E)
      • Refutation
        • P(a);CHECK
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a),XR(E)
    • Try
      • P(C);
      • Vars
        • P(a);::R1(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::B(D)+R(E)
      • K(b);P-FLIGHT::R(E)
      • P(a);::R1(E)
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