MESON Chess Problem Database

Problem Display
PID: 181106 (2K3N1/8/3p4/3k1p2/2R2P2/6P1/2P5/5BB1 w - - 0 1)

Johner, Hans

Source?, 1904

2K3N1/8/3p4/3k1p2/2R2P2/6P1/2P5/5BB1

#2

8 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4?
      • 1...Ke4
        • 2.Bg2#
      • 1...Ke6!
    • 1.Rc3?
      • 1...Ke4
        • 2.Sf6#
        • 2.Bg2#
      • 1...Ke6!
    • 1.Ra4?
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6!
    • 1.Rb4?
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6!
    • 1.Re4?
      • 1...Kxe4
        • 2.Bg2#
      • 1...Kc6
        • 2.Se7#
      • 1...fxe4!
    • 1.Rc7?
      • 1...Ke4
        • 2.Bg2#
      • 1...Ke6!
  • Keys
    • 1.Rc6!
      • 1...Ke4
        • 2.Bg2#
      • 1...Kxc6
        • 2.Se7#
      • 1...Ke6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XR(E)::B(A)
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • P(b);XR(E)
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT,XR(E)::S(H)
      • K(a);P_SPINP(c),S_FLIGHT::B(A)
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