MESON Chess Problem Database

Problem Display
PID: 216222 (4R3/3N4/8/2pp4/2RN1P2/3k4/3B4/2K5 w - - 0 1)

Meyer, Heinrich Friedrich Ludwig

Sammlung Leichterer Schachaufgaben 2 (Dufresne), 1882

4R3/3N4/8/2pp4/2RN1P2/3k4/3B4/2K5

#2

7 + 3

4817 English Mechanic and World of Science 1884
6490 yacpdb 2020
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ra4?
      • threat
        • 2.Sxc5#
        • 2.Re3#
      • 1...cxd4
        • 2.Sc5#
      • 1...c4!
  • Keys
    • 1.Re4!
      • 1...Kxc4
        • 2.Se5#
      • 1...Kxe4
        • 2.Sxc5#
      • 1...cxd4
        • 2.Rcxd4#
      • 1...dxc4
        • 2.Sxc5#
      • 1...dxe4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XS(D)::S(F)
      • Refutation
        • P(b);
  • Actual
    • R(G);
    • Vars
      • K(a);S_FLIGHT,XR(C)::S(F)
      • K(a);S_FLIGHT,XR(G)::S(F),XP(b)
      • P(b);OGATE,XS(D)::R1(C),XP(b)
      • P(c);SBLOCK,XR(C)::S(F),XP(b)
      • P(c);SBLOCK,XR(G)::S(F)
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