MESON Chess Problem Database

Problem Display
PID: 2653 (2b1Q3/3p2N1/3p4/3k2p1/1p4P1/b4NKn/2R5/8 w - - 0 1)

Robinson, George A

Source?, 0000

2b1Q3/3p2N1/3p4/3k2p1/1p4P1/b4NKn/2R5/8

#2

6 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Sf2!
    • 1.Rc4?
      • threat
        • 2.Qf7#
        • 2.Qe4#
        • 2.Qg8#
      • 1...Sf2
        • 2.Qf7#
        • 2.Qg8#
      • 1...Sf4
        • 2.Qe4#
      • 1...Kxc4!
    • 1.Qg6?
      • threat
        • 2.Qd3#
        • 2.Qf5#
      • 1...Ba6
        • 2.Qf5#
      • 1...Sf2
        • 2.Qf5#
      • 1...Sf4
        • 2.Qf5#
      • 1...Bb2!
    • 1.Qe2?
      • threat
        • 2.Qd3#
        • 2.Qc4#
      • 1...Bb2
        • 2.Qc4#
      • 1...Sf2
        • 2.Qc4#
      • 1...Sf4
        • 2.Qc4#
      • 1...Ba6!
    • 1.Qe3?
      • threat
        • 2.Qd4#
        • 2.Qd3#
      • 1...Ba6
        • 2.Qd4#
      • 1...Sf2
        • 2.Qd4#
      • 1...Sf4
        • 2.Qd4#
      • 1...Bb2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sc7#
      • 1...Ke4
        • 2.Sf4#
      • 1...dxe6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(F)
      • Vars
        • K(d);P-FLIGHT::QAR1(F)
      • Refutation
        • S(b);
    • Try
      • R(A);
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::QAB1(F)
      • Refutation
        • K(d);S_FLIGHT,XR(A)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(h);::QAR2(F)
        • S(b);::QAR2(F)
      • Refutation
        • B(a);
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(F)
        • S(b);::QAB1(F)
      • Refutation
        • B(h);
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(h);::QAR1(F)
        • S(b);::QAR1(F)
      • Refutation
        • B(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::QAR(F)+S(E)
      • P(g);OGATE,SBLOCK,XS(E)::QAB1(F)
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