MESON Chess Problem Database

Problem Display
PID: 260171 (2R5/np1K4/BPnQ4/1r1pp3/1pkb2R1/1p6/1P2PN2/8 w - - 0 1)

Pirrone, Santi

3/4 Prize, Sinfonie Scacchistiche 05. TT, 1969

2R5/np1K4/BPnQ4/1r1pp3/1pkb2R1/1p6/1P2PN2/8

#2

9 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Sd2#
      • 1...Bxb2
        • 2.Qc5#
      • 1...dxe4!
    • 1.Qxe5?
      • threat
        • 2.Qxd4#
      • 1...Kc5
        • 2.Qxd4#
      • 1...Sxc8!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sxe5#
        • 2.Qxb4#
        • 2.Qc5#
      • 1...Sxc8
        • 2.Qc5#
      • 1...bxa6
        • 2.Sxe5#
      • 1...e4
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);N_PINB(d)
      • Threat
        • S(C)
      • Vars
        • B(d);N_GUARD,XP(A)::QAR1(G)
      • Refutation
        • P(f);XS(C)
    • Try
      • Q(G);XP(g)
      • Threat
        • QAR1(G),XB(d)
      • Vars
        • K(c);N_SPINB(d),N_SPINR(e),P-FLIGHT,P_SPINP(f)::QAB1(G),XB(d)
      • Refutation
        • S(i);N_SPINS(h),XR(I)
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • S(i);N_SPINS(h),XR(I)::QAR1(G)
      • P(j);N_SPINR(e),XB(E)::S(C),XP(g)
      • P(g);N_SPINB(d)::QAR1(G),XP(b)
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