MESON Chess Problem Database

Problem Display
PID: 52392 (1B6/N7/2R1R3/b2k3q/5p1p/1n2PnN1/b5Q1/3K4 w - - 0 1)

Kish, Alexander

Cincinnati Enquirer, 1936

(First published on Sun Apr 12 1936)

1B6/N7/2R1R3/b2k3q/5p1p/1n2PnN1/b5Q1/3K4

#2

8 + 8

5064 100 Years of the American Two-move Chess Problem 1936

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.Re5#
    • 1...Qg6
      • 2.Re5#
    • 1...Qf7
      • 2.Re5#
      • 2.Qxf3#
    • 1...Qe8
      • 2.Qxf3#
    • 1...Qe5
      • 2.Rxe5#
    • 1...Qg5
      • 2.Qxf3#
    • 1...Qh6
      • 2.Re5#
      • 2.Qxf3#
    • 1...Qh7
      • 2.Re5#
    • 1...Qh8
      • 2.Qxf3#
    • 1...Sd4
      • 2.e4#
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qc4#
      • 1...Sa1
        • 2.Qb5#
      • 1...Sc1
        • 2.Qb5#
      • 1...Sbd2
        • 2.Qb5#
      • 1...Sbd4
        • 2.e4#
      • 1...Sc5
        • 2.Rcd6#
      • 1...Se1
        • 2.Qxh5#
      • 1...Sg1
        • 2.Qxh5#
      • 1...Sfd2
        • 2.Qxh5#
      • 1...Sh2
        • 2.Qxh5#
      • 1...Sfd4
        • 2.e4#
      • 1...Se5
        • 2.Red6#
      • 1...Sg5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 7
  • Sets
    • Q(h);N_GUARD::R1(F)
    • Q(h);N_GUARD::QAB(B),XS(c)
    • Q(h);N_GUARD::R1(F),XQ(h)
    • S(b);SBLOCK::P(C)
  • Actual
    • Q(B);N_PINS(c)
    • Threat
      • QAB1(B)
    • Vars
      • S(b);N_GUARD::QAR2(B)
      • S(b);SBLOCK::P(C)
      • S(b);SBLOCK::R1(E)
      • S(c);OGATE,P_PINQ(B)::QAR(B),XQ(h)
      • S(c);P_PINQ(B),SBLOCK::P(C)
      • S(c);P_PINQ(B),SBLOCK::R1(F)
      • S(c);N_GUARD,P_PINQ(B),S_CUTQ(h)::R1(F)
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