MESON Chess Problem Database

Problem Display
PID: 258910 (1nQ2b2/6p1/p5N1/1P1kB3/Bpp2P1K/8/4R3/5rRb w - - 0 1)

Nield, Joshua

Western Morning News, 1922

(First published on Sat Mar 4 1922)

1nQ2b2/6p1/p5N1/1P1kB3/Bpp2P1K/8/4R3/5rRb

#2

9 + 9

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Rxd1#
    • 1...Rf2
      • 2.Rd1#
    • 1...Rxf4+
      • 2.Sxf4#
    • 1...Bc5
      • 2.Qg8#
    • 1...Be7+
      • 2.Sxe7#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sd7
      • 2.Qc6#
    • 1...c3
      • 2.Bb3#
  • Tries
    • 1.Rxf1?
      • threat
        • 2.Rd1#
      • 1...Be7+
        • 2.Sxe7#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sd7
        • 2.Qc6#
      • 1...Bc5
        • 2.Qg8#
      • 1...Be4!
    • 1.Qd7+?
      • 1...Kc5
        • 2.Bd4#
        • 2.Qd4#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Sxd7!
    • 1.Qxf8?
      • threat
        • 2.Qd6#
      • 1...Rxf4+
        • 2.Sxf4#
      • 1...c3
        • 2.Bb3#
      • 1...Ke6!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Rd2#
      • 1...Rxf4+
        • 2.Sxf4#
      • 1...Be7+
        • 2.Sxe7#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sd7
        • 2.Qc6#
      • 1...Rd1
        • 2.Rxd1#
      • 1...Rf2
        • 2.Rd1#
      • 1...Rf3
        • 2.Be4#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bc5
        • 2.Qg8#
      • 1...c3
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE::R(A),XR(a)
    • R(a);OGATE::R(A)
    • R(a);CHECK,XP(D)::S(H),XR(a)
    • B(i);OGATE,SBLOCK::QAB(I)
    • B(i);CHECK,N_GUARD::S(H),XB(i)
    • S(h);N_GUARD::QAB1(I),XS(h)
    • S(h);N_GUARD::QAB1(I)
    • P(d);OGATEB::B(C)
  • Tries
    • Try
      • R(A);XR(a)
      • Threat
        • R(A)
      • Vars
        • B(i);CHECK,N_GUARD::S(H),XB(i)
        • S(h);N_GUARD::QAB1(I),XS(h)
        • S(h);N_GUARD::QAB1(I)
        • B(i);OGATE,SBLOCK::QAB(I)
      • Refutation
        • B(b);
    • Try
      • Q(I);CHECK
      • Vars
        • B(i);N_GUARD,P_SPINB(i)::QAR1(I),XB(i)
      • Refutation
        • S(h);XQ(I)
    • Try
      • Q(I);XB(i)
      • Threat
        • QAR1(I)
      • Vars
        • R(a);CHECK,XP(D)::S(H),XR(a)
        • P(d);OGATEB::B(C)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • R(B)
    • Vars
      • R(a);CHECK,XP(D)::S(H),XR(a)
      • B(i);CHECK,N_GUARD::S(H),XB(i)
      • S(h);N_GUARD::QAB1(I),XS(h)
      • S(h);N_GUARD::QAB1(I)
      • R(a);OGATE::R(A),XR(a)
      • R(a);OGATE::R(A)
      • R(a);S_CUTB(b)::B(C)
      • B(b);N_GUARD::B(C),XB(b)
      • B(i);OGATE,SBLOCK::QAB(I)
      • P(d);OGATEB::B(C)
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