MESON Chess Problem Database

Problem Display
PID: 51720 (3RKR2/2p1N3/4B3/2p3p1/2N1k3/1nppqppn/3p1rb1/8 w - - 0 1)

Casa, Alex

2/3 Prize, L'Italia Scacchistica, 2004

3RKR2/2p1N3/4B3/2p3p1/2N1k3/1nppqppn/3p1rb1/8

#2

6 + 14

23 Die Schwalbe 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Bd5#
    • 1...Sf4
      • 2.Bf5#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sxc3#
      • 1...Kd4
        • 2.Sf6#
      • 1...Qd4
        • 2.Bf5#
      • 1...c2
        • 2.Sc3#
      • 1...d1S!
    • 1.Sc6?
      • threat
        • 2.Bd5#
      • 1...Sf4
        • 2.Bf5#
      • 1...Qd4!
    • 1.Sg6?
      • threat
        • 2.Bf5#
      • 1...Sd4
        • 2.Bd5#
      • 1...Qf4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sxg3#
      • 1...Kf4
        • 2.Sfd6#
      • 1...Qf4
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(d);SBLOCK::B(B)
    • S(j);SBLOCK::B(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C),XP(e)
      • Vars
        • K(k);P-FLIGHT,P_PINB(B)::R(D)+S(C)
        • Q(g);SBLOCK::B(B)
        • P(e);::S(C)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Threat
        • B(B)
      • Vars
        • S(j);SBLOCK::B(B)
      • Refutation
        • Q(g);
    • Try
      • S(C);
      • Threat
        • B(B)
      • Vars
        • S(d);SBLOCK::B(B)
      • Refutation
        • Q(g);
  • Actual
    • S(C);
    • Threat
      • S(C),XP(i)
    • Vars
      • K(k);P-FLIGHT,P_PINB(B)::R(F)+S(C)
      • Q(g);SBLOCK::B(B)
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