MESON Chess Problem Database

Problem Display
PID: 244592 (1K3k1r/1p1p2pP/3P2B1/5N2/7b/1r2BR2/Q7/q3R3 w - - 0 1)

Fasano, Alessandro

L'Italia Scacchistica, 1993

1K3k1r/1p1p2pP/3P2B1/5N2/7b/1r2BR2/Q7/q3R3

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sxh4#
    • 1...Qxe1
      • 2.Sxh4#
    • 1...Qxa2
      • 2.Sxh4#
    • 1...Rb1
      • 2.Qf7#
    • 1...Rb2
      • 2.Sxh4#
      • 2.Qf7#
    • 1...Ra3
      • 2.Qf7#
    • 1...Rc3
      • 2.Sxh4#
      • 2.Qf7#
    • 1...Rd3
      • 2.Qf7#
    • 1...Rxe3
      • 2.Qf7#
    • 1...Rb4
      • 2.Qf7#
    • 1...Rb5
      • 2.Qf7#
    • 1...Rb6
      • 2.Qf7#
    • 1...Bxe1
      • 2.Sd4#
    • 1...Bf2
      • 2.Sd4#
    • 1...Be7
      • 2.dxe7#
  • Tries
    • 1.Bg5?
      • threat
        • 2.Re8#
      • 1...Qxe1
        • 2.Se3#
      • 1...Bxe1
        • 2.Be7#
      • 1...Re3
        • 2.Qf7#
      • 1...Qe5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Re8#
      • 1...Qxe1
        • 2.Bxg7#
      • 1...Bxe1
        • 2.Se3#
      • 1...Re3
        • 2.Qf7#
      • 1...Be7
        • 2.dxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • Q(a);N_GUARD::R(D)+S(E),XB(c)
    • Q(a);N_GUARD,XR(A)::R(D)+S(E),XB(c)
    • Q(a);N_GUARD,XQ(B)::R(D)+S(E),XB(c)
    • R(b);OGATE::QAR1(B)
    • R(b);OGATE,XB(C)::QAR1(B)
    • B(c);N_GUARD,XR(A)::R(D)+S(E)
    • B(c);N_GUARD::R(D)+S(E)
    • B(c);OGATE::P(F),XB(c)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(A)
      • Vars
        • Q(a);N_GUARD,XR(A)::R(D)+S(E)
        • B(c);N_GUARD,XR(A)::B(C)
        • R(b);OGATE::QAR1(B)
      • Refutation
        • Q(a);P_PINP(F)
  • Actual
    • B(C);
    • Threat
      • R1(A)
    • Vars
      • Q(a);N_GUARD,XR(A)::B(C),XP(f)
      • B(c);N_GUARD,XR(A)::R(D)+S(E)
      • R(b);OGATE::QAR1(B)
      • B(c);OGATE::P(F),XB(c)
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