MESON Chess Problem Database

Problem Display
PID: 6220 (BK6/3R2n1/5p2/2Bnkr2/3p2r1/bN5N/Q7/8 w - - 0 1)

Akerblom, Johan Axel

3rd HM., Brisbane Courier, 1928

BK6/3R2n1/5p2/2Bnkr2/3p2r1/bN5N/Q7/8

#2

7 + 8

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe2#
  • Tries
    • 1.Rxd5+?
      • 1...Ke4
        • 2.Qe2#
      • 1...Ke6!
  • Keys
    • 1.Sc1!
      • threat
        • 2.Qxd5#
      • 1...Ke4
        • 2.Qe2#
      • 1...Ke6
        • 2.Re7#
      • 1...Sc3
        • 2.Sd3#
      • 1...Se3
        • 2.Sd3#
      • 1...Sb4
        • 2.Bd6#
      • 1...Sf4
        • 2.Bxd4#
      • 1...Sb6
        • 2.Sd3#
      • 1...Sc7
        • 2.Sd3#
      • 1...Se7
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(e);P-FLIGHT,P_SPINS(d)::QAR2(A)
  • Tries
    • Try
      • R(E);CHECK,XS(d)
      • Vars
        • K(e);P-FLIGHT::QAR2(A)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR1(A),XS(d)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(d)::QAR2(A)
      • K(e);P-FLIGHT,P_SPINS(d)::R1(E)
      • S(d);::S(B)
      • S(d);S_CUTB(a)::B(D)
      • S(d);S_CUTR(c)::B(D),XP(b)
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