MESON Chess Problem Database

Problem Display
PID: 77478 (2B5/7p/5K2/7k/7p/8/6P1/5R2 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Cyrulik, Stepan Pavlovich

Problemist Pribuzhya, 1991

2B5/7p/5K2/7k/7p/8/6P1/5R2

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3?
      • 1...h6
        • 2.Rf5#
      • 1...Kh6!
    • 1.Rf4?
      • 1...Kh6
        • 2.Rxh4#
      • 1...h6
        • 2.Bg4#
      • 1...h3!
    • 1.g4+?
      • 1...hxg4 ep
        • 2.Rh1#
      • 1...Kh6!
  • Keys
    • 1.Rh1!
      • 1...Kh6
        • 2.Rxh4#
      • 1...h3
        • 2.Rxh3#
      • 1...h6
        • 2.g4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • P(c);SBLOCK::R(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • K(b);P-FLIGHT::R(A),XP(a)
        • P(c);SBLOCK::B(D)
      • Refutation
        • P(a);
    • Try
      • P(B);CHECK
      • Vars
        • P(a);EP,XP(B)::R(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(A);P_PINP(a)
    • Vars
      • K(b);P-FLIGHT::R(A),XP(a)
      • P(a);OGATEB::R(A),XP(a)
      • P(c);SBLOCK::P(B)
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