MESON Chess Problem Database

Problem Display
PID: 229790 (2K3b1/4p2r/2p1k1pP/2P3P1/3P4/4NQ2/4P3/8 w - - 0 1)

Reimann, Friedrich

Tidskrift for Schack, 1911

2K3b1/4p2r/2p1k1pP/2P3P1/3P4/4NQ2/4P3/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.Qe4#
      • 2.Qxc6#
    • 1...Bf7
      • 2.Qe4#
      • 2.Qg4#
      • 2.Qxc6#
      • 2.Qh3#
  • Tries
    • 1.d5+?
      • 1...cxd5
        • 2.Qxd5#
      • 1...Ke5!
  • Keys
    • 1.Sf5!
      • 1...Kf7
        • 2.Sg7#
      • 1...Rxh6
        • 2.Sg7#
      • 1...gxf5
        • 2.Qb3#
      • 1...Rg7
        • 2.Sxg7#
      • 1...Rf7
        • 2.Qe4#
      • 1...Rh8
        • 2.Sg7#
      • 1...Bf7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • P(a);OGATE,XP(D)::QAB1(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::QAR(C)+S(B)
      • R(e);N_GUARD,XP(G)::S(B)
      • P(c);SBLOCK,XS(B)::QAB(C)
      • R(e);N_GUARD::S(B),XR(e)
      • R(e);SBLOCK::QAR2(C)
      • R(e);N_GUARD::S(B)
      • B(f);SBLOCK::QAR2(C)
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