MESON Chess Problem Database

Problem Display
PID: 95687 (b2N4/2Br1p2/1R6/P1kB2PQ/4RK2/1p4p1/4P3/8 w - - 0 1)

Pirrone, Santi

1st HM., L'Italia Scacchistica, 2005

b2N4/2Br1p2/1R6/P1kB2PQ/4RK2/1p4p1/4P3/8

#2

10 + 6

35 L'Italia Scacchistica 2006
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Rb5#
  • Tries
    • 1.Se6+?
      • 1...Kxd5
        • 2.Rd4#
      • 1...fxe6!
    • 1.Qh1?
      • threat
        • 2.Rc4#
      • 1...Kxd5
        • 2.Rb5#
      • 1...Rxd5
        • 2.Qc1#
      • 1...Bxd5
        • 2.Qg1#
      • 1...g2!
    • 1.Qh8?
      • threat
        • 2.Qd4#
      • 1...Kxd5
        • 2.Rb5#
        • 2.Qd4#
        • 2.Qe5#
      • 1...Rxd5
        • 2.Qc3#
      • 1...f6!
    • 1.g6?
      • threat
        • 2.Rc4#
      • 1...Rxd5
        • 2.Bd6#
      • 1...Bxd5
        • 2.Sb7#
      • 1...f5!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Rc4#
      • 1...Kxd5
        • 2.Rb5#
      • 1...Rxd5
        • 2.Qc3#
      • 1...Bxd5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,XB(E)::R(H)
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(c);P-FLIGHT,XB(E)::R1(B)
      • Refutation
        • P(e);XS(J)
    • Try
      • Q(G);
      • Threat
        • R1(B)
      • Vars
        • K(c);P-FLIGHT,XB(E)::R(H)
        • R(d);SBLOCK,XB(E)::QAR(G)
        • B(f);SBLOCK,XB(E)::QAB(G)
      • Refutation
        • P(b);
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • R(d);SBLOCK,XB(E)::QAR2(G)
      • Refutation
        • P(e);
    • Try
      • P(F);
      • Threat
        • R1(B)
      • Vars
        • R(d);N_GUARD,P_SPINR(d),XB(E)::B(I)
        • B(f);N_GUARD,P_SPINB(f),XB(E)::S(J)
      • Refutation
        • P(e);
  • Actual
    • Q(G);
    • Threat
      • R1(B)
    • Vars
      • K(c);P-FLIGHT,XB(E)::R(H)
      • R(d);SBLOCK,XB(E)::QAR2(G)
      • B(f);SBLOCK,XB(E)::QAB(G)
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