MESON Chess Problem Database

Problem Display
PID: 198566 (1r2qQB1/3b4/1ppRp1P1/5N1N/1r2kP1p/1PP1p3/4P2b/3K4 w - - 0 1)

Nield, Joshua

Western Daily Mercury, 1919

(First published on Fri Feb 21 1919)

1r2qQB1/3b4/1ppRp1P1/5N1N/1r2kP1p/1PP1p3/4P2b/3K4

#2

11 + 11

15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb3
      • 2.Rd4#
    • 1...Rd4+
      • 2.Rxd4#
    • 1...Rb5
      • 2.Rd4#
  • Keys
    • 1.Rd5!
      • threat
        • 2.Re5#
      • 1...Rd4+
        • 2.Rxd4#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Bxf4
        • 2.Sf6#
      • 1...cxd5
        • 2.Sd6#
      • 1...exd5
        • 2.Sd6#
      • 1...exf5
        • 2.Qxb4#
      • 1...Rb5
        • 2.Rd4#
      • 1...e5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD,XP(C)::R1(H)
    • R(c);CHECK,N_GUARD::R1(H),XR(c)
    • R(c);N_GUARD::R1(H)
  • Actual
    • R(H);
    • Threat
      • R1(H)
    • Vars
      • R(c);CHECK,N_GUARD::R1(H),XR(c)
      • K(d);P_SPINP(h),S_FLIGHT,XR(H)::S(G)
      • B(a);SBLOCK,XP(E)::S(G)
      • P(g);SBLOCK,XR(H)::S(F)
      • P(h);XR(H)::S(F)
      • P(h);XS(F)::QAR(J),XR(c)
      • R(c);N_GUARD::R1(H)
      • P(h);::S(F)
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