MESON Chess Problem Database

Problem Display
PID: 70716 (Q1b1R3/8/8/1N1rqp2/3NkPn1/3rbpK1/4R3/1B2n3 w - - 0 1)

Prete, Rodolfo

2nd HM., Il Due Mosse 17. TT, 1962

Q1b1R3/8/8/1N1rqp2/3NkPn1/3rbpK1/4R3/1B2n3

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Rxe5#
    • 1...Sh2
      • 2.Rxe5#
    • 1...Sf6
      • 2.Rxe5#
    • 1...Sh6
      • 2.Rxe5#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Sd2#
        • 2.Sg5#
        • 2.Sc3#
        • 2.Sd6#
      • 1...Be6
        • 2.Sd2#
        • 2.Sg5#
      • 1...Bb7
        • 2.Sd2#
        • 2.Sg5#
        • 2.Sc3#
      • 1...Sc2
        • 2.Sg5#
        • 2.Sd6#
      • 1...Sxf3!
    • 1.Rxe3+?
      • 1...Sxe3
        • 2.Rxe5#
      • 1...Kxe3!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sd2#
        • 2.Sc5#
        • 2.Sc3#
        • 2.Sd6#
      • 1...fxe2
        • 2.Sc3#
        • 2.Sd6#
      • 1...Be6
        • 2.Sd2#
        • 2.Sc5#
      • 1...Bb7
        • 2.Sd2#
        • 2.Sc3#
      • 1...Sc2
        • 2.Sc5#
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • S(f);N_GUARD::R1(H),XQ(h)
  • Tries
    • Try
      • S(D);XP(d)
      • Threat
        • DUALS(4)
      • Refutation
        • S(a);XS(D)
    • Try
      • R(B);CHECK,XB(c)
      • Vars
        • S(f);SBLOCK,XR(B)::R1(H),XQ(h)
      • Refutation
        • K(e);N_SPINR(b),P-FLIGHT,XR(B)
  • Actual
    • S(D);
    • Threat
      • DUALS(4)
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Developed and maintained by Brian Stephenson.
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