MESON Chess Problem Database

Problem Display
PID: 208716 (8/3KN3/5R2/2k5/3b4/3Q4/1P6/8 w - - 0 1)

Bethge, Friedrich

Deutsche Schachblatter, 1952

8/3KN3/5R2/2k5/3b4/3Q4/1P6/8

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rb6?
      • threat
        • 2.Rb5#
        • 2.Qb5#
      • 1...Bxb2
        • 2.Rb5#
      • 1...Bg1
        • 2.Rb5#
      • 1...Bf2
        • 2.Rb5#
      • 1...Bc3
        • 2.Rb5#
      • 1...Be3
        • 2.Rb5#
      • 1...Be5
        • 2.Rb5#
      • 1...Bf6
        • 2.Rb5#
      • 1...Bg7
        • 2.Rb5#
      • 1...Bh8
        • 2.Rb5#
      • 1...Kxb6!
  • Keys
    • 1.Sd5!
      • 1...Kxd5
        • 2.Rf5#
      • 1...Bxb2
        • 2.Rc6#
      • 1...Bxf6
        • 2.b4#
      • 1...Bg1
        • 2.Rc6#
        • 2.b4#
      • 1...Bf2
        • 2.Rc6#
        • 2.b4#
      • 1...Bc3
        • 2.Rc6#
      • 1...Be3
        • 2.Rc6#
        • 2.b4#
      • 1...Be5
        • 2.Rc6#
        • 2.b4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XP(A)::R1(C)
        • B(a);::R1(C)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • S(E);
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(E)::R(C)
      • B(a);XP(A)::R1(C)
      • B(a);XR(C)::P(A)
      • B(a);::R1(C)
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