MESON Chess Problem Database

Problem Display
PID: 58186 (1BK1Q3/1p4N1/1p3p2/5pn1/1PpkPr2/R1p2b1R/2qP1P1b/2N5 w - - 0 1)

Mirri, Giorgio

Torre & Cavallo - Scacco!, 2001

1BK1Q3/1p4N1/1p3p2/5pn1/1PpkPr2/R1p2b1R/2qP1P1b/2N5

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.dxc3#
    • 1...Qd1
      • 2.dxc3#
    • 1...Qa4
      • 2.dxc3#
    • 1...Qa2
      • 2.dxc3#
    • 1...Rg4
      • 2.Sxf5#
    • 1...Rh4
      • 2.Sxf5#
    • 1...Bh1
      • 2.Se2#
    • 1...Be2
      • 2.Sxe2#
    • 1...Bg2
      • 2.Se2#
    • 1...fxe4
      • 2.Qd7#
      • 2.Qd8#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qd5#
      • 1...Qxe4
        • 2.dxc3#
      • 1...Rxe4
        • 2.Sxf5#
      • 1...Bxe4
        • 2.Se2#
      • 1...Sxe4
        • 2.Se6#
      • 1...fxe4
        • 2.Qd7#
        • 2.Qd6#
      • 1...bxc6!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Qxc4#
      • 1...Qxe4
        • 2.dxc3#
      • 1...Rxe4
        • 2.Sxf5#
      • 1...Bxe4
        • 2.Se2#
      • 1...Sxe4
        • 2.Se6#
      • 1...fxe4
        • 2.Qd7#

This is a version of 96575

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 9
  • Sets
    • Q(a);N_GUARD::P(B),XP(c)
    • R(g);N_GUARD::S(H),XP(h)
    • B(d);N_GUARD::S(A)
    • B(d);N_GUARD::S(A),XB(d)
  • Tries
    • Try
      • Q(K);
      • Threat
        • QAR1(K)
      • Vars
        • Q(a);N_GUARD,XP(G)::P(B),XP(c)
        • R(g);N_GUARD,XP(G)::S(H),XP(h)
        • B(d);N_GUARD,XP(G)::S(A)
        • S(i);N_GUARD,XP(G)::S(H)
      • Refutation
        • P(l);XQ(K)
  • Actual
    • Q(K);
    • Threat
      • QAR1(K)
    • Vars
      • K(f);P-FLIGHT,XP(G)::QAR2(K),XP(e)
      • Q(a);N_GUARD,SBLOCK,XP(G)::P(B),XP(c)
      • R(g);N_GUARD,SBLOCK,XP(G)::S(H),XP(h)
      • B(d);N_GUARD,SBLOCK,XP(G)::S(A)
      • S(i);N_GUARD,SBLOCK,XP(G)::S(H)
      • P(h);SBLOCK,XP(G)::QAR(K)
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