MESON Chess Problem Database

Problem Display
PID: 130559 (K7/1N6/3pp3/3B4/k2B4/1R1N4/b7/b7 w - - 0 1)

Vanata, Josef

Ruch, 1947

K7/1N6/3pp3/3B4/k2B4/1R1N4/b7/b7

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxb2#
  • Tries
    • 1.Ra3+?
      • 1...Kb5
        • 2.Sxd6#
        • 2.Ra5#
      • 1...Kxa3!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Rb4#
      • 1...Bxb2
        • 2.Sxb2#
      • 1...Bxb3
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::S(B),XB(a)
  • Tries
    • Try
      • R(A);CHECK
      • Refutation
        • K(c);P-FLIGHT,XR(A)
  • Actual
    • B(C);
    • Threat
      • R1(A)
    • Vars
      • B(a);XB(C)::S(B),XB(a)
      • B(b);SBLOCK,XR(A)::B(D)
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