MESON Chess Problem Database

Problem Display
PID: 174422 (3R3Q/8/4pP1K/5R1n/4kPp1/4N3/bp1BB3/1q6 w - - 0 1)

Makaronets, Leonid

2nd HM., Israel Ring Ty., 1990

3R3Q/8/4pP1K/5R1n/4kPp1/4N3/bp1BB3/1q6

#2

9 + 7

721 Variantim 1992

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Re5#
      • 1...Kxf5
        • 2.Bd3#
      • 1...exf5
        • 2.Rd4#
      • 1...e5
        • 2.Rxe5#
      • 1...Sxf4!
    • 1.Sxg4?
      • threat
        • 2.Re5#
      • 1...Kxf5
        • 2.Qh7#
      • 1...exf5
        • 2.Sf2#
      • 1...e5
        • 2.Rxe5#
      • 1...Bd5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Re5#
      • 1...Kxf5
        • 2.Sd6#
      • 1...exf5
        • 2.Qe8#
      • 1...e5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(E)
      • Vars
        • K(d);S_FLIGHT,XR(E)::B(B)
        • P(g);SBLOCK,XR(E)::R1(H)
        • P(g);::R1(E),XP(g)
      • Refutation
        • S(f);XP(D)
    • Try
      • S(C);XP(e)
      • Threat
        • R1(E)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XR(E)::QAB(I)
        • P(g);SBLOCK,XR(E)::S(C)
        • P(g);::R1(E),XP(g)
      • Refutation
        • B(b);
  • Actual
    • S(C);
    • Threat
      • R1(E)
    • Vars
      • K(d);S_FLIGHT,XR(E)::S(C)
      • P(g);OGATEB,SBLOCK,XR(E)::QAR(I)
      • P(g);::R1(E),XP(g)
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