MESON Chess Problem Database

Problem Display
PID: 22394 (N1R1Q3/8/n1pp1P1K/3k4/nbrqN1p1/2p1P3/8/3R4 w - - 0 1)

Berry, Charles Vincent E

Norwich Mercury, 0000

N1R1Q3/8/n1pp1P1K/3k4/nbrqN1p1/2p1P3/8/3R4

#2

8 + 10

2794 Terms & Themes of Chess Problems 1907

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Rxd4#
    • 1...Sb2
      • 2.Sb6#
    • 1...S4c5
      • 2.Sb6#
    • 1...Sb6
      • 2.Sxb6#
    • 1...S6c5
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sb8
      • 2.Sc7#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qh5#
      • 1...Kxc5
        • 2.Qxc6#
      • 1...Rxc5
        • 2.Rxd4#
      • 1...Bxc5
        • 2.e4#
      • 1...S4xc5
        • 2.Sb6#
      • 1...S6xc5
        • 2.Sc7#
      • 1...dxc5
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::R1(A),XQ(e)
    • S(b);N_GUARD::S(F)
    • S(b);N_GUARD::S(F),XS(b)
    • S(h);N_GUARD::S(F)
    • S(h);N_GUARD::S(F),XS(h)
  • Actual
    • S(C);
    • Threat
      • QAR(H)
    • Vars
      • K(g);N_SPINQ(e),P-FLIGHT,P_SPINP(i),XS(C)::QAR1(H),XP(i)
      • R(d);N_GUARD,SBLOCK,XS(C)::R1(A),XQ(e)
      • B(c);SBLOCK,XS(C)::P(B)
      • S(b);N_GUARD,SBLOCK,XS(C)::S(F)
      • S(h);N_GUARD,SBLOCK,XS(C)::S(F)
      • P(j);OGATEB,SBLOCK,XS(C)::R(G)
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