MESON Chess Problem Database

Problem Display
PID: 66993 (3K1N1r/2p2NB1/2P5/2knQbR1/BRP2r2/PPp1n2q/8/8 w - - 0 1)

Stocchi, Ottavio

10th Prize=, Volksgazet TT, 1953

3K1N1r/2p2NB1/2P5/2knQbR1/BRP2r2/PPp1n2q/8/8

#2

12 + 9

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qd4#
    • 1...Rf2
      • 2.Qd4#
    • 1...Rf3
      • 2.Qd4#
    • 1...Rd4
      • 2.Qxd4#
    • 1...Rxf8+
      • 2.Bxf8#
    • 1...Bb1
      • 2.Qe7#
    • 1...Bc2
      • 2.Qe7#
    • 1...Bd3
      • 2.Qe7#
    • 1...Be4
      • 2.Qd4#
      • 2.Qe7#
    • 1...Bg4
      • 2.Qe7#
    • 1...Bg6
      • 2.Qe7#
    • 1...Bd7
      • 2.Qe7#
    • 1...Bh7
      • 2.Qe7#
    • 1...Bc8
      • 2.Qe7#
    • 1...Sd1
      • 2.Qxd5#
    • 1...Sf1
      • 2.Qxd5#
    • 1...Sc2
      • 2.Qxd5#
    • 1...Sg2
      • 2.Qxd5#
    • 1...Sg4
      • 2.Qxd5#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Rb5#
      • 1...Sxb4
        • 2.Sd7#
      • 1...Sf6
        • 2.Se6#
      • 1...Bd7
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 17
  • Sets
    • R(d);N_GUARD::QAB1(F)
    • R(d);N_GUARD::QAB1(F),XR(d)
    • R(i);CHECK,OGATE,XS(L)::B(J),XR(i)
    • B(g);::QAB(F)
    • S(b);N_GUARD::QAR1(F),XS(f)
  • Actual
    • Q(F);N_PINS(f),N_SPINS(L)
    • Threat
      • R1(D)
    • Vars
      • S(f);P_SPINB(g),XR(D)::S(L)
      • S(f);P_SPINB(g)::S(L)
      • B(g);P_SPINS(f)::QAB(F)
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