MESON Chess Problem Database

Problem Display
PID: 66367 (2K5/7B/Q1p2PR1/3k1r2/4Nn2/3p1N2/3P4/8 w - - 0 1)

Braune, Robert

Source?, 1877

2K5/7B/Q1p2PR1/3k1r2/4Nn2/3p1N2/3P4/8

#2

8 + 5

5821 Robert Braune - Apotre de la Symetrie 1914

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Bg8#
    • 1...c5
      • 2.Sc3#
  • Tries
    • 1.Bg8+?
      • 1...Se6
        • 2.Qxd3#
      • 1...Kxe4!
    • 1.Qxd3+?
      • 1...Ke6
        • 2.Bg8#
        • 2.Qd7#
      • 1...Sxd3!
  • Keys
    • 1.Rg4!
      • 1...Kxe4
        • 2.Qxc6#
      • 1...Ke6
        • 2.Bg8#
      • 1...Rxf6
        • 2.Qa2#
      • 1...Se2
        • 2.Bg8#
        • 2.Qa2#
      • 1...Re5
        • 2.Qa2#
      • 1...Rg5
        • 2.Qa2#
      • 1...Rh5
        • 2.Qa2#
      • 1...Sg2
        • 2.Bg8#
        • 2.Qa2#
      • 1...Sh3
        • 2.Bg8#
        • 2.Qa2#
      • 1...Sh5
        • 2.Bg8#
        • 2.Qa2#
      • 1...Se6
        • 2.Qa2#
      • 1...Sg6
        • 2.Bg8#
        • 2.Qa2#
      • 1...c5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(e),S_FLIGHT::B(G)
    • P(e);SBLOCK::S(C)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • S(b);P_SPINS(b)::QAR2(D),XP(a)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • Q(D);CHECK,XP(a)
      • Refutation
        • S(b);XQ(D)
  • Actual
    • R(F);
    • Vars
      • K(c);P_SPINR(d),P_SPINS(b),S_FLIGHT,XS(C)::QAB(D),XP(e)
      • K(c);P_SPINP(e),S_FLIGHT::B(G)
      • R(d);XP(E)::QAB(D)
      • R(d);::QAB(D)
      • S(b);SBLOCK::QAB(D)
      • P(e);SBLOCK::S(C)
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