MESON Chess Problem Database

Problem Display
PID: 67559 (2N5/bnR4Q/2p1R2r/2Pkp2p/3N2br/3P4/1B6/Kn6 w - - 0 1)

Stocchi, Ottavio

10th HM., Sao Paulo Chess Club, 1955-1956

2N5/bnR4Q/2p1R2r/2Pkp2p/3N2br/3P4/1B6/Kn6

#2

9 + 10

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qe4#
    • 1...Sxc5
      • 2.Se7#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Rxe5#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Rxe6
        • 2.Qe4#
      • 1...Bxe6
        • 2.Se7#
      • 1...e4
        • 2.Re5#
        • 2.Qxe4#
      • 1...Sc3!
    • 1.Qd7+?
      • 1...Sd6
        • 2.Qxc6#
        • 2.Qxd6#
      • 1...Kxc5!
  • Keys
    • 1.Sxc6!
      • threat
        • 2.Rxe5#
      • 1...Kxc5
        • 2.Rxe5#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Rxe6
        • 2.Sb4#
      • 1...Bxe6
        • 2.S6e7#
      • 1...e4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • B(i);SBLOCK,XP(E)::QAB1(H)
    • S(j);SBLOCK,XP(E)::S(I)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(F),XP(e)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XR(F)::QAB1(H)
        • R(h);SBLOCK,XR(F)::QAB1(H)
        • B(b);SBLOCK,XR(F)::S(I)
      • Refutation
        • S(a);
    • Try
      • Q(H);CHECK
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(g),XP(E)
  • Actual
    • S(D);XP(g)
    • Threat
      • R1(F),XP(e)
    • Vars
      • K(d);P-FLIGHT,XP(E)::R(F),XP(e)
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB1(H)
      • R(h);SBLOCK,XR(F)::S(D)
      • B(b);SBLOCK,XR(F)::S(D)
      • P(e);::R1(F)
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