MESON Chess Problem Database

Problem Display
PID: 85327 (6K1/6P1/4N1pk/8/8/7B/3R4/8 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Magadansky Komsomolets, 1990

6K1/6P1/4N1pk/8/8/7B/3R4/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • 1...g5
        • 2.Rd6#
      • 1...Kg5!
    • 1.Bf5?
      • threat
        • 2.Rh2#
      • 1...Kh5
        • 2.Rh2#
      • 1...gxf5!
    • 1.Rd6?
      • 1...g5
        • 2.Sf4#
      • 1...Kh5!
  • Keys
    • 1.Rh2!
      • threat
        • 2.Bf1#
        • 2.Bg2#
        • 2.Bg4#
        • 2.Bf5#
      • 1...Kh5
        • 2.Bf5#
      • 1...g5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(a);OGATEB,SBLOCK::R(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • P(a);XB(B)
    • Try
      • R(A);
      • Vars
        • P(a);SBLOCK::R(A)+S(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(A);
    • Threat
      • DUALS(4)
    • Vars
      • K(b);P-FLIGHT::R(A)+B(B)
      • P(a);::R(A)+B(B)
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