MESON Chess Problem Database

Problem Display
PID: 35216 (5n2/2b2K1p/7k/4PRp1/4Pp2/6P1/8/2BB4 w - - 0 1)

Reitman, Mark

Sinfonie Scacchistiche, 1995

5n2/2b2K1p/7k/4PRp1/4Pp2/6P1/8/2BB4

#2

7 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rf6#
    • 1...fxg3
      • 2.Bxg5#
    • 1...g4
      • 2.Bxf4#
  • Tries
    • 1.Bxf4?
      • threat
        • 2.Bxg5#
      • 1...gxf4
        • 2.Rh5#
      • 1...Se6
        • 2.Rf6#
      • 1...Bd8!
    • 1.Rxf4?
      • threat
        • 2.Rh4#
      • 1...gxf4
        • 2.Bxf4#
      • 1...g4
        • 2.Rf5#
      • 1...Sg6!
  • Keys
    • 1.Rxg5!
      • threat
        • 2.Rh5#
      • 1...Kxg5
        • 2.Bxf4#
      • 1...f3
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(f);N_GUARD::R(F)
    • P(a);OGATE,P_SPINP(b),XP(C)::B(A),XP(b)
    • P(b);OGATEB,P_SPINP(a)::B(A),XP(a)
  • Tries
    • Try
      • B(A);P_PINP(b),XP(a)
      • Threat
        • B(A),XP(b)
      • Vars
        • P(b);N_SPINP(b),OGATE,XB(A)::R1(F)
        • S(f);N_GUARD::R(F)
      • Refutation
        • B(d);
    • Try
      • R(F);XP(a)
      • Threat
        • R(F)
      • Vars
        • P(b);OGATE,P_SPINP(b),XR(F)::B(A),XP(b)
        • P(b);OGATEB::B(A)+R(F)
      • Refutation
        • S(f);
  • Actual
    • R(F);XP(b)
    • Threat
      • R1(F)
    • Vars
      • K(c);OGATEB,P_SPINP(a),S_FLIGHT,XR(F)::B(A),XP(a)
      • P(a);OGATEB::B(A)+R(F)
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