MESON Chess Problem Database

Problem Display
PID: 149188 (B7/B1p1Kp2/3P4/RNP1k1p1/2p2rQq/6Pp/1P6/4N3 w - - 0 1)

Giacobbe, Daniele

Best Problems, 2010

B7/B1p1Kp2/3P4/RNP1k1p1/2p2rQq/6Pp/1P6/4N3

#2

11 + 8

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Sxf3#
    • 1...Rd4
      • 2.Sf3#
    • 1...Re4
      • 2.Sf3#
    • 1...c3
      • 2.Sd3#
    • 1...f6
      • 2.Qe6#
  • Tries
    • 1.Sc3?
      • threat
        • 2.c6#
      • 1...Kd4
        • 2.c6#
      • 1...cxd6
        • 2.cxd6#
      • 1...Rd4
        • 2.Sf3#
      • 1...c6!
  • Keys
    • 1.c6!
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Kd5
        • 2.Sc3#
      • 1...cxd6
        • 2.Sxd6#
      • 1...Rd4
        • 2.Sxd4#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);N_GUARD::S(A)
    • P(b);N_GUARD::S(A)
    • P(h);N_GUARD::QAR1(D)
  • Tries
    • Try
      • S(F);
      • Threat
        • R(E)+P(G)
      • Vars
        • K(e);P_SPINR(c),S_FLIGHT::B(I)+P(G)
        • P(g);OGATE,XP(H)::R(E)+P(G),XP(g)
        • R(c);N_GUARD::S(A)
      • Refutation
        • P(g);
  • Actual
    • P(G);
    • Threat
      • R(E)+S(F)
    • Vars
      • K(e);P-FLIGHT,P_SPINR(c)::S(F)
      • K(e);P-FLIGHT::R(E)+S(F),DCHECK
      • P(g);XP(H)::R(E)+S(F),XP(g)
      • R(c);::R(E)+S(F),XR(c)
      • P(b);::R(E)+S(F),XP(b)
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