MESON Chess Problem Database

Problem Display
PID: 28909 (1B6/K2p4/1R2b2q/2k5/1p6/NB2n2r/1Qpr4/2N1b3 w - - 0 1)

Stocchi, Ottavio

5th Prize, La Settimana Enigmistica, 1937/I

1B6/K2p4/1R2b2q/2k5/1p6/NB2n2r/1Qpr4/2N1b3

#2

7 + 10

3100 Selected Stocchi (I) 2001
14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Sd3#
      • 2.Bd6#
    • 1...Rf2
      • 2.Sd3#
      • 2.Bd6#
    • 1...Rg2
      • 2.Sd3#
      • 2.Bd6#
    • 1...Rdh2
      • 2.Sd3#
      • 2.Bd6#
    • 1...Rd3
      • 2.Sxd3#
    • 1...Rd6
      • 2.Bxd6#
    • 1...Sd5
      • 2.Bd6#
    • 1...d5
      • 2.Bd6#
  • Tries
    • 1.Qe5+?
      • 1...Rd5
        • 2.Sd3#
        • 2.Bd6#
      • 1...Sd5
        • 2.Bd6#
      • 1...d5
        • 2.Bd6#
      • 1...Bd5!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Rb5#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Rxd5
        • 2.Sb3#
      • 1...Bxd5
        • 2.Qxb4#
      • 1...Sxd5
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);N_GUARD::B(G),XR(c)
    • S(d);S_CUTR(c)::B(G)
    • P(j);S_CUTR(c)::B(G)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • S(d);P_SPINS(d)::B(G)
        • P(j);P_SPINP(j)::B(G)
      • Refutation
        • B(h);P_SPINB(h)
  • Actual
    • B(D);
    • Threat
      • R1(E)
    • Vars
      • K(g);OGATEB,P-FLIGHT,XB(D)::QAR1(B)
      • R(c);SBLOCK,XB(D)::S(A)
      • B(h);SBLOCK,XB(D)::QAB1(B),XP(f)
      • S(d);SBLOCK,XB(D)::B(G)
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