MESON Chess Problem Database

Problem Display
PID: 156929 (8/4p3/3pP2b/4Np2/2QPkp1R/p4p2/P4P2/1n2K3 w - - 0 1)

Agostini, Valerio

Sinfonie Scacchistiche, 2015

8/4p3/3pP2b/4Np2/2QPkp1R/p4p2/P4P2/1n2K3

#2

8 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...dxe5
      • 2.d5#
    • 1...d5
      • 2.Qd3#
  • Tries
    • 1.Sd3?
      • threat
        • 2.d5#
      • 1...Bg7
        • 2.Rxf4#
      • 1...d5
        • 2.Sc5#
      • 1...Sd2!
  • Keys
    • 1.Sxf3!
      • 1...Kxf3
        • 2.Qd5#
      • 1...Bg5
        • 2.Sxg5#
      • 1...Bg7
        • 2.Sg5#
      • 1...Bf8
        • 2.Sg5#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sc3
        • 2.Sd2#
      • 1...d5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(g);SBLOCK,XS(G)::QAR(D)+P(E)
    • P(g);SBLOCK::QAB1(D)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR(D)+P(E)
      • Vars
        • B(h);N_GUARD::R1(F),XP(e)
        • P(g);N_GUARD::S(G)
      • Refutation
        • S(a);
  • Actual
    • S(G);XP(c)
    • Vars
      • K(d);N_SPINP(e),S_FLIGHT,XS(G)::QAB(D)
      • B(h);N_GUARD::S(G),XB(h)
      • B(h);N_GUARD::S(G)
      • S(a);N_GUARD::S(G),XS(a)
      • S(a);N_GUARD::S(G)
      • P(g);SBLOCK::QAR2(D)
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