MESON Chess Problem Database

Problem Display
PID: 107919 (8/Qpp1Nq2/6b1/1P1Bk2n/R4Rp1/8/3P4/4K3 w - - 0 1)

Clark, WA

Manchester Weekly Times, 1897

8/Qpp1Nq2/6b1/1P1Bk2n/R4Rp1/8/3P4/4K3

#2

8 + 7

3402 Hampstead and Highgate Express 1897
6490 yacpdb 2009
14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...b6
      • 2.Qxc7#
    • 1...c5
      • 2.Qb8#
    • 1...c6
      • 2.Qb8#
  • Keys
    • 1.Ra6!
      • threat
        • 2.Qd4#
      • 1...Kxf4
        • 2.Qe3#
      • 1...Qxd5
        • 2.Sxg6#
      • 1...Qxf4
        • 2.Re6#
      • 1...Sxf4
        • 2.d4#
      • 1...bxa6
        • 2.Qxc7#
      • 1...b6
        • 2.Qxc7#
      • 1...c6
        • 2.Qb8#
      • 1...Be4
        • 2.Rxe4#
      • 1...c5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATE::QAB(G),XP(f)
    • P(f);OGATEB::QAB(G)
  • Actual
    • R(C);
    • Threat
      • QAB1(G)
    • Vars
      • K(b);S_FLIGHT,XR(D)::QAB1(G)
      • Q(g);N_GUARD,SBLOCK,XB(F)::S(H),XB(d)
      • Q(g);N_GUARD,SBLOCK,XR(D)::R1(C)
      • S(c);SBLOCK,XR(D)::P(B)
      • P(e);OGATE,XR(C)::QAB(G),XP(f)
      • P(e);OGATE::QAB(G),XP(f)
      • P(f);OGATEB::QAB(G)
      • B(d);N_GUARD::R1(D),XB(d)
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