MESON Chess Problem Database

Problem Display
PID: 9818 (2n1B3/2pp4/1rkNP3/5P2/bp1K4/8/8/8 w - - 0 1)

Ursic, Andrej Anton

Mentor Mch., 1910

2n1B3/2pp4/1rkNP3/5P2/bp1K4/8/8/8

#2

5 + 7

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Keys
    • 1.exd7!
      • threat
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxd6
        • 2.dxc8S#
      • 1...Sxd6
        • 2.d8S#
      • 1...cxd6
        • 2.dxc8Q#
      • 1...Rb5
        • 2.dxc8S#
      • 1...Ra6
        • 2.dxc8S#
      • 1...Rb7
        • 2.dxc8S#
      • 1...Rb8
        • 2.dxc8S#
      • 1...Bd1
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#
      • 1...Bc2
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#
      • 1...Bb3
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#
      • 1...Bb5
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#
      • 1...Sa7
        • 2.d8Q#
        • 2.d8R#
      • 1...Se7
        • 2.d8Q#
        • 2.d8R#
      • 1...b3
        • 2.dxc8S#
        • 2.d8Q#
        • 2.d8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(D);XP(f)
    • Threat
      • DUALS(3)
    • Vars
      • K(d);P-FLIGHT,XS(C)::PXS(g)=S
      • S(g);SBLOCK,XS(C)::P=S
      • P(e);SBLOCK,XS(C)::PXS(g)=Q
      • R(c);::PXS(g)=S
      • S(g);::P=Q
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