MESON Chess Problem Database

Problem Display
PID: 67470 (7n/4r1PP/3Nkrp1/1N1R2p1/1p4Pb/6pK/Q2R2P1/8 w - - 0 1)

Stocchi, Ottavio

2nd HM., Problem (Zagreb), 1955

7n/4r1PP/3Nkrp1/1N1R2p1/1p4Pb/6pK/Q2R2P1/8

#2

10 + 9

5407 Selected Stocchi (II) 2004
14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Re2#
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sd8#
        • 2.Re5#
        • 2.Rd6#
      • 1...Kxf7
        • 2.g8Q#
      • 1...Rfxf7
        • 2.Qa6#
      • 1...Rexf7
        • 2.Re2#
      • 1...Sxf7
        • 2.Sd4#
      • 1...Rf1
        • 2.Rd6#
      • 1...Rf2
        • 2.Rd6#
      • 1...Rf3
        • 2.Rd6#
      • 1...Rf4
        • 2.Rd6#
      • 1...Rf5
        • 2.Rd6#
      • 1...Ra7
        • 2.Re5#
      • 1...Rb7
        • 2.Re5#
      • 1...Rc7
        • 2.Re5#
      • 1...Rd7
        • 2.Re5#
      • 1...Re8
        • 2.Re5#
      • 1...b3
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • R(h);SBLOCK::R(B)
  • Actual
    • S(H);
    • Threat
      • DUALS(3)
    • Vars
      • K(e);S_FLIGHT,XS(H)::P=Q
      • R(f);SBLOCK,XS(H)::QAR(A)
      • R(h);SBLOCK,XS(H)::R(B)
      • S(i);SBLOCK,XS(H)::S(F)
      • R(f);::QAB(A)+R(G),DCHECK
      • R(h);::QAB(A)+R(G),DCHECK
      • P(b);::S(H)
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