MESON Chess Problem Database

Problem Display
PID: 221599 (8/3p1p2/1n1p1Np1/1N1qk1P1/4p1P1/4P1K1/3Q4/R7 w - - 0 1)

Kelly, Reginald

The Field, 1892

(First published on Sat Sep 24 1892)

8/3p1p2/1n1p1Np1/1N1qk1P1/4p1P1/4P1K1/3Q4/R7

#2

8 + 8

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Qxd6#
    • 1...Qb3
      • 2.Qxd6#
    • 1...Qc4
      • 2.Qxd6#
    • 1...Qe6
      • 2.Qc3#
      • 2.Qb2#
      • 2.Qd4#
    • 1...Qb7
      • 2.Qxd6#
    • 1...Qa8
      • 2.Qxd6#
    • 1...Sa4
      • 2.Qxd5#
    • 1...Sc4
      • 2.Qxd5#
    • 1...Sa8
      • 2.Qxd5#
    • 1...Sc8
      • 2.Qxd5#
  • Keys
    • 1.Ra8!
      • 1...Ke6
        • 2.Re8#
      • 1...Qxa8
        • 2.Qxd6#
      • 1...Qxd2
        • 2.Re8#
      • 1...Qxb5
        • 2.Re8#
      • 1...Sxa8
        • 2.Qxd5#
      • 1...Qa2
        • 2.Qxd6#
      • 1...Qb3
        • 2.Qxd6#
      • 1...Qc4
        • 2.Qxd6#
      • 1...Qc6
        • 2.Re8#
      • 1...Qe6
        • 2.Qc3#
        • 2.Qb2#
        • 2.Qd4#
      • 1...Qb7
        • 2.Re8#
        • 2.Qxd6#
      • 1...Qd3
        • 2.Re8#
      • 1...Qd4
        • 2.Re8#
      • 1...Qc5
        • 2.Re8#
      • 1...Sa4
        • 2.Qxd5#
      • 1...Sc4
        • 2.Qxd5#
      • 1...Sc8
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • Q(b);OGATE::QAB1(B),XP(e)
    • Q(b);OGATE,P_PINP(C)::QAB1(B),XP(e)
    • S(d);N_GUARD::QAR1(B),XQ(b)
  • Actual
    • R(A);
    • Vars
      • K(c);P-FLIGHT::R(A)
      • Q(b);OGATE,XR(A)::QAB1(B),XP(e)
      • Q(b);N_GUARD,XQ(B)::R(A)
      • Q(b);N_GUARD,XS(F)::R(A)
      • S(d);N_GUARD,XR(A)::QAR1(B),XQ(b)
      • Q(b);OGATE::QAB1(B),XP(e)
      • Q(b);OGATE,P_PINP(C)::QAB1(B),XP(e)
      • Q(b);N_GUARD::R(A)
      • Q(b);N_GUARD,P_PINP(C)::R(A)
      • S(d);N_GUARD::QAR1(B),XQ(b)
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