MESON Chess Problem Database

Problem Display
PID: 207481 (5b1q/p1p5/kpQ1P3/3P4/1P1B4/NnnN4/8/4K3 w - - 0 1)

Shinkman, William Anthony

2nd Prize, Dubuque Chess Journal, 1871

5b1q/p1p5/kpQ1P3/3P4/1P1B4/NnnN4/8/4K3

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Bxb6!
      • threat
        • 2.Bg1#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Ba5#
        • 2.Bc5#
        • 2.Bxc7#
      • 1...Qe5+
        • 2.Be3#
      • 1...Qh1+
        • 2.Bg1#
      • 1...Qh4+
        • 2.Bf2#
      • 1...Bxb4
        • 2.Sxb4#
        • 2.Bxc7#
      • 1...Sxd5
        • 2.b5#
      • 1...axb6
        • 2.Qa8#
      • 1...cxb6
        • 2.Qc8#
      • 1...Qd4
        • 2.Bxd4#
        • 2.Bc5#
      • 1...Bc5
        • 2.Bxc5#
      • 1...Sd4
        • 2.Bxd4#
      • 1...Sa5
        • 2.Bxa5#
      • 1...Sc5
        • 2.Ba5#
        • 2.Bxc5#
        • 2.Bxc7#
      • 1...Sa4
        • 2.b5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(E);XP(d)
    • Threat
      • DUALS(7)
    • Vars
      • Q(h);CHECK::QAR(G)+B(E)
      • S(b);N_GUARD,XP(F)::P(D)
      • P(e);OGATEB,P_SPINP(e),SBLOCK,XB(E)::QAR2(G)
      • P(f);OGATE,P_SPINP(f),SBLOCK,XB(E)::QAB(G)
      • B(g);::QAR(G)+B(E),XB(g)
      • S(a);::QAR(G)+B(E),XS(a)
      • S(b);N_GUARD::P(D)
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