MESON Chess Problem Database

Problem Display
PID: 259424 (1qN1R1b1/Bnp3p1/6Pb/1B1k4/p3p2r/1pK2P2/1Q6/8 w - - 0 1)

Boswell, Edward

Western Morning News, 1924

(First published on Sat Aug 30 1924)

1qN1R1b1/Bnp3p1/6Pb/1B1k4/p3p2r/1pK2P2/1Q6/8

#2

8 + 11

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.fxe4#
    • 1...Rh2
      • 2.fxe4#
    • 1...Rf4
      • 2.Qd2#
    • 1...Rh5
      • 2.fxe4#
    • 1...Bd2+
      • 2.Qxd2#
    • 1...Bf4
      • 2.fxe4#
    • 1...a3
      • 2.Qxb3#
    • 1...c6
      • 2.Bc4#
  • Keys
    • 1.Qh2!
      • threat
        • 2.Re5#
        • 2.Qe5#
      • 1...Bd2+
        • 2.Qxd2#
      • 1...Qxc8
        • 2.Qe5#
      • 1...Rxh2
        • 2.fxe4#
      • 1...Rf4
        • 2.Qd2#
      • 1...Rh5
        • 2.fxe4#
      • 1...Bf4
        • 2.fxe4#
      • 1...Be6
        • 2.Se7#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::P(C),XP(c)
    • R(d);S_CUTB(f)::QAR(A)
    • B(f);CHECK,N_GUARD::QAR(A),XB(f)
    • B(f);S_CUTR(d)::P(C),XP(c)
    • P(b);N_GUARD::QAB(A),XP(a)
    • P(h);SBLOCK::B(D)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • B(f);CHECK,N_GUARD::QAR(A),XB(f)
      • Q(j);XS(G)::QAR1(A)
      • R(d);N_GUARD,XQ(A)::P(C),XP(c)
      • R(d);S_CUTB(f)::QAR(A)
      • R(d);N_GUARD::P(C),XP(c)
      • B(f);S_CUTR(d)::P(C),XP(c)
      • B(k);SBLOCK::S(G)
      • P(h);N_GUARD,SBLOCK::S(G)
      • P(h);SBLOCK::B(D)
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