MESON Chess Problem Database

Problem Display
PID: 25837 (q7/1Q6/2Rpnp2/3rkP2/1N1NP3/5R2/1Bn2K2/1B6 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1932

q7/1Q6/2Rpnp2/3rkP2/1N1NP3/5R2/1Bn2K2/1B6

#2

10 + 7

3100 Selected Stocchi (I) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd4
      • 2.Qe7#
  • Keys
    • 1.Rc4!
      • threat
        • 2.Sdc6#
      • 1...Kxe4
        • 2.Sxe6#
      • 1...Rxd4
        • 2.Sd3#
      • 1...Scxd4
        • 2.Sc6#
      • 1...Sexd4
        • 2.Qe7#
      • 1...Qa7
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(e);OGATEB,P_SPINS(e),XS(F)::QAR2(J)
  • Actual
    • R(I);
    • Threat
      • B(B)+S(F),DCHECK
    • Vars
      • K(c);P-FLIGHT,P_SPINR(b),P_SPINS(a),XP(G)::R(I)+S(F),XS(e)
      • R(b);P_SPINR(b),XS(F)::S(E)
      • S(a);P_SPINS(a),XS(F)::S(E)
      • S(e);OGATEB,P_SPINS(e),XS(F)::QAR2(J)
      • Q(g);N_GUARD,P_PINS(F)::QAR1(J),XR(b)
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