MESON Chess Problem Database

Problem Display
PID: 138347 (2r5/3Qp3/bN4pR/Ppk3qR/4p1r1/4N1p1/3B2B1/2K5 w - - 0 1)

Ravarini, Romolo

2nd HM., The Problemist TT, 1976

2r5/3Qp3/bN4pR/Ppk3qR/4p1r1/4N1p1/3B2B1/2K5

#2

9 + 10

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Rxd5#
      • 2.Qxd5#
    • 1...Qe5
      • 2.Rxe5#
    • 1...b4
      • 2.Sa4#
    • 1...e5
      • 2.Qd5#
  • Tries
    • 1.Rxg5+?
      • 1...e5
        • 2.Rxe5#
        • 2.Qd5#
      • 1...Rxg5!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Be3#
      • 1...gxh5
        • 2.Qd4#
      • 1...e3
        • 2.Qxe7#
      • 1...e5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(f);OGATE::R(F),XQ(f)
    • P(d);N_GUARD::S(G)
    • P(i);N_SPINQ(f),S_CUTQ(f)::QAR1(I)
  • Tries
    • Try
      • R(F);CHECK,XQ(f)
      • Refutation
        • R(c);XR(F)
  • Actual
    • S(D);P_SPINB(B)
    • Threat
      • B(B)
    • Vars
      • P(h);N_SPINQ(f),XR(F)::QAB1(I)
      • P(b);N_PINB(B)::QAB(I),XP(i)
      • P(i);N_SPINQ(f),S_CUTQ(f)::QAR1(I)
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