MESON Chess Problem Database

Problem Display
PID: 150372 (2N5/2p2K2/2p5/2pkp3/P3p2R/QP6/p1NP3p/8 w - - 0 1)

Agostini, Valerio

Mariani, Stefano

KobulChess, 2012

2N5/2p2K2/2p5/2pkp3/P3p2R/QP6/p1NP3p/8

#2

8 + 8

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Sxe3#
    • 1...c4
      • 2.Se7#
  • Tries
    • 1.Sb4+?
      • 1...Kd4
        • 2.Qb2#
      • 1...cxb4!
    • 1.Sb6+?
      • 1...Kd6
        • 2.Rh6#
      • 1...cxb6!
    • 1.Qb2?
      • threat
        • 2.Se3#
      • 1...e3
        • 2.Sxe3#
      • 1...c4!
    • 1.Qb4?
      • threat
        • 2.Se3#
        • 2.Qc4#
        • 2.Qxe4#
      • 1...h1Q
        • 2.Se3#
        • 2.Qc4#
      • 1...h1B
        • 2.Se3#
        • 2.Qc4#
      • 1...e3
        • 2.Sxe3#
        • 2.Qc4#
        • 2.Qe4#
      • 1...c4
        • 2.Se7#
        • 2.Qxc4#
        • 2.bxc4#
      • 1...cxb4!
  • Keys
    • 1.d4!
      • threat
        • 2.Qxc5#
      • 1...cxd4
        • 2.Se7#
      • 1...exd4
        • 2.Rh5#
      • 1...exd4 ep
        • 2.Se3#
      • 1...c4
        • 2.Se7#
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(c);::S(A),XP(c)
    • P(d);::S(H)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(c)::QAB(C)
      • Refutation
        • P(d);XS(A)
    • Try
      • S(H);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(d)::R(F)
      • Refutation
        • P(h);XS(H)
    • Try
      • Q(C);
      • Threat
        • S(A)
      • Vars
        • P(c);::S(A),XP(c)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Refutation
        • P(d);XQ(C)
  • Actual
    • P(B);
    • Threat
      • QAR1(C),XP(d)
    • Vars
      • P(d);XP(B)::S(H)
      • P(f);OGATEB,XP(B)::R(F)
      • P(c);EP,XP(B)::S(A)
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