MESON Chess Problem Database

Problem Display
PID: 143293 (4Q3/4P1R1/nK2p3/1N1k4/2R5/P7/4Pn2/8 w - - 0 1)

Crake, James

2nd Prize Set, Holyoke Transcript, 1881

4Q3/4P1R1/nK2p3/1N1k4/2R5/P7/4Pn2/8

#2

8 + 4

158 Brentano's Chess Monthly 1881

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qc6#
      • 2.Qf7#
      • 2.Qg8#
  • Tries
    • 1.Rg5+?
      • 1...e5
        • 2.Qc6#
        • 2.Qf7#
        • 2.Qg8#
      • 1...Kxc4!
    • 1.Qh5+?
      • 1...e5
        • 2.Qf7#
      • 1...Kxc4!
    • 1.Qd7+?
      • 1...Kxc4
        • 2.Qxe6#
      • 1...Ke5!
  • Keys
    • 1.Qg6!
      • 1...Kxc4
        • 2.Qxe6#
      • 1...Ke5
        • 2.Qg5#
      • 1...Sd1
        • 2.Qe4#
      • 1...Sh1
        • 2.Qe4#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sh3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sb8
        • 2.Rc5#
      • 1...e5
        • 2.Qf7#
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(C)
    • Try
      • Q(H);CHECK
      • Vars
        • P(d);OGATEB,P_SPINP(d),SBLOCK::QAB(H)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(C)::QAB(H),XP(d)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB(H),XP(d)
      • K(b);P-FLIGHT::QAR2(H)
      • S(a);N_GUARD::QAB1(H)
      • S(a);N_GUARD::QAB1(H),XS(a)
      • S(c);N_GUARD::R1(C)
      • S(c);N_GUARD::R1(C),XS(c)
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