MESON Chess Problem Database

Problem Display
PID: 158341 (8/K7/2p5/4p3/3kp3/2N1R1n1/2R2n2/1Q4B1 w - - 0 1)

Markwick, Frederick W

British Chess Magazine 13. Ty., 1906-1907

8/K7/2p5/4p3/3kp3/2N1R1n1/2R2n2/1Q4B1

#2

6 + 6

115 Stratford Express 1907
15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qb4#
    • 1...Sfh1
      • 2.Qb4#
    • 1...Sd3
      • 2.Rxe4#
    • 1...Sh3
      • 2.Qb4#
    • 1...Sg4
      • 2.Qb4#
  • Keys
    • 1.Qb3!
      • 1...Kxe3
        • 2.Se2#
      • 1...Kc5
        • 2.Sb5#
      • 1...Sd1
        • 2.Qb4#
      • 1...Sfh1
        • 2.Qb4#
      • 1...Sd3
        • 2.Rxe4#
      • 1...Sh3
        • 2.Qb4#
      • 1...Sg4
        • 2.Qb4#
      • 1...Sf1
        • 2.Se2#
      • 1...Sgh1
        • 2.Se2#
      • 1...Se2
        • 2.Sxe2#
      • 1...Sf5
        • 2.Se2#
      • 1...Sh5
        • 2.Se2#
      • 1...c5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(a);::QAR2(A)
    • S(a);SBLOCK::B(B)+R(E),DCHECK,XP(d)
  • Actual
    • Q(A);
    • Vars
      • K(c);P_SPINS(a),S_FLIGHT,XR(E)::QAR(A)+S(D)
      • K(c);S_FLIGHT::R(C)+S(D)
      • S(a);::QAR2(A)
      • S(a);SBLOCK::B(B)+R(E),DCHECK,XP(d)
      • S(b);N_GUARD::S(D)
      • S(b);N_GUARD::S(D),XS(b)
      • P(f);N_GUARD::S(D)
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