MESON Chess Problem Database

Problem Display
PID: 206352 (3RB1nr/4p2P/3N1p2/8/6p1/r2k3b/5P2/N1R1K3 w - - 0 1)

Volkheimer, Alexander

Funkschach, 1925

3RB1nr/4p2P/3N1p2/8/6p1/r2k3b/5P2/N1R1K3

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Rd1#
  • Tries
    • 1.Bg6+?
      • 1...Kd4
        • 2.Sf7#
      • 1...f5!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Sc4#
        • 2.Se4#
        • 2.Sb5#
        • 2.Sf5#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...Kd4
        • 2.Sf7#
      • 1...exd6
        • 2.Rxd6#
      • 1...Rc3
        • 2.Rd1#
      • 1...Ra4
        • 2.Sc4#
      • 1...Ra5
        • 2.Sb5#
      • 1...Ra7
        • 2.Sb7#
      • 1...Ra8
        • 2.Sc8#
      • 1...Bg2
        • 2.Se4#
      • 1...Sh6
        • 2.Se8#
      • 1...g3
        • 2.Sf5#
      • 1...f5
        • 2.Sc4#
        • 2.Se4#
        • 2.Sb5#
        • 2.Sxf5#
        • 2.Sb7#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::R(B)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(b);P-FLIGHT::R(G)+S(E)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • B(H);
    • Threat
      • DUALS(8)
    • Vars
      • K(b);P-FLIGHT::R(G)+S(E)
      • P(f);OGATE,P_SPINP(f),XS(E)::R(G),XP(f)
      • R(a);SBLOCK::R(B)
      • R(a);::R(G)+S(E)
      • B(c);::R(G)+S(E)
      • S(g);::R(G)+S(E)
      • P(d);::R(G)+S(E)
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