MESON Chess Problem Database

Problem Display
PID: 120254 (6K1/4p3/1Q6/4Pk2/2P2P2/1P6/8/2BB4 w - - 0 1)

Moller, Ferdinand Friedrich

Tijdschrift vd NSB, 1900

6K1/4p3/1Q6/4Pk2/2P2P2/1P6/8/2BB4

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bg4+?
      • 1...Ke4
        • 2.Qe3#
      • 1...Kxg4!
    • 1.Qg1?
      • 1...Ke6
        • 2.Bg4#
        • 2.Qg4#
      • 1...e6
        • 2.Bc2#
      • 1...Ke4!
    • 1.Qe3?
      • 1...Ke6
        • 2.Bg4#
        • 2.Qh3#
      • 1...e6
        • 2.Qd3#
      • 1...Kg6!
    • 1.Qd4?
      • 1...Ke6
        • 2.Bg4#
      • 1...e6
        • 2.Qd3#
      • 1...Kg6!
    • 1.Qe6+?
      • 1...Kxe6
        • 2.Bg4#
      • 1...Ke4!
    • 1.Qh6?
      • 1...e6
        • 2.Qh7#
      • 1...Ke4!
    • 1.Qb7?
      • 1...Ke6
        • 2.Bg4#
        • 2.Qc8#
      • 1...e6
        • 2.Qh7#
      • 1...Kg6!
  • Keys
    • 1.Qf2!
      • 1...Ke4
        • 2.Bc2#
      • 1...Ke6
        • 2.Bg4#
      • 1...Kg6
        • 2.f5#
      • 1...e6
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT,XB(B)
    • Try
      • Q(G);
      • Vars
        • P(b);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(b);SBLOCK::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT::B(B)
        • P(b);SBLOCK::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);S_FLIGHT,XQ(G)::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(b);SBLOCK::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(b);OGATE,SBLOCK::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);OGATE,S_FLIGHT::P(E)
      • P(b);SBLOCK::QAB(G)
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