MESON Chess Problem Database

Problem Display
PID: 156425 (6Q1/3R1r1q/K1pN2Rr/1B3p2/2nk1N2/5P2/1PpBp3/3n4 w - - 0 1)

Giacobbe, Daniele

1st Prize, L'Italia Scacchistica, 2004

6Q1/3R1r1q/K1pN2Rr/1B3p2/2nk1N2/5P2/1PpBp3/3n4

#2

10 + 10

4901 Best Problems 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb7#
    • 1...Ke5
      • 2.Sxc4#
  • Tries
    • 1.Se6+?
      • 1...Kd3
        • 2.Sxf7#
      • 1...Ke5
        • 2.Sxc4#
      • 1...Kd5!
    • 1.Sxc4+?
      • 1...Kc5
        • 2.Sd3#
        • 2.Se6#
        • 2.b4#
      • 1...Rxd7!
    • 1.Sxf5+?
      • 1...Kc5
        • 2.Sd3#
        • 2.Se6#
        • 2.b4#
      • 1...Ke5!
    • 1.Sxf7+?
      • 1...Kc5
        • 2.Sd3#
        • 2.Se6#
        • 2.b4#
      • 1...Sd6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sxf5#
      • 1...Kxd3
        • 2.Sxf7#
      • 1...Kd5
        • 2.Sxc4#
      • 1...Rxd7
        • 2.Qxc4#
      • 1...Sxd6
        • 2.Rdxd6#
      • 1...f4
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • K(e);S_FLIGHT::S(G)
    • K(e);S_FLIGHT::S(G),XS(d)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINS(d)::R(I)+S(G),XR(i)
        • K(e);S_FLIGHT::S(G),XS(d)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(G);CHECK,XS(d)
      • Refutation
        • R(i);XR(I)
    • Try
      • S(G);CHECK,XP(f)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(G);CHECK,XR(i)
      • Refutation
        • S(d);P_SPINS(d)
  • Actual
    • S(D);
    • Threat
      • R(I)+S(G),DCHECK,XP(f)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(d),XS(D)::R(I)+S(G),XR(i)
      • K(e);P-FLIGHT,P_SPINR(i)::R(I)+S(G),XS(d)
      • R(i);OGATE,XR(I)::QAR1(J),XS(d)
      • S(d);OGATE,P_SPINS(d),XS(G)::R(I),XS(d)
      • P(f);::R(I)+S(G),DCHECK
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