MESON Chess Problem Database

Problem Display
PID: 154243 (4b3/1p1R4/2p3pN/1n2kBPp/1Nn5/3p3K/3r3b/5Q2 w - - 0 1)

Berry, Charles Vincent E

Hampstead and Highgate Express, 1913

(First published on Sat Nov 1 1913)

4b3/1p1R4/2p3pN/1n2kBPp/1Nn5/3p3K/3r3b/5Q2

#2

7 + 11

14867 BCPS Library 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Sxd3#
    • 1...Rb2
      • 2.Sxd3#
    • 1...Rc2
      • 2.Sxd3#
    • 1...Re2
      • 2.Sxd3#
    • 1...Rf2
      • 2.Sxd3#
    • 1...Rg2
      • 2.Sxd3#
    • 1...Bf7
      • 2.Sxf7#
    • 1...h4
      • 2.Sg4#
    • 1...c5
      • 2.Rd5#
    • 1...gxf5
      • 2.Qxf5#
    • 1...b6
      • 2.Sxc6#
  • Tries
    • 1.Qe1+?
      • 1...Re2
        • 2.Sxd3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kf4!
  • Keys
    • 1.Qf2!
      • 1...Rxf2
        • 2.Sxd3#
      • 1...Bxd7
        • 2.Sf7#
      • 1...gxf5
        • 2.Qxf5#
      • 1...Rd1
        • 2.Qxh2#
      • 1...Ra2
        • 2.Sxd3#
      • 1...Rb2
        • 2.Sxd3#
      • 1...Rc2
        • 2.Sxd3#
      • 1...Re2
        • 2.Sxd3#
      • 1...Bg1
        • 2.Qg3#
      • 1...Bg3
        • 2.Qxg3#
      • 1...Bf4
        • 2.Qc5#
      • 1...Bf7
        • 2.Sxf7#
      • 1...Sb2
        • 2.Qe3#
      • 1...Sca3
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sa5
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...Scd6
        • 2.Re7#
      • 1...Sba3
        • 2.Qd4#
      • 1...Sc3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sbd6
        • 2.Re7#
      • 1...Sa7
        • 2.Qd4#
      • 1...Sc7
        • 2.Qd4#
      • 1...h4
        • 2.Sg4#
      • 1...c5
        • 2.Rd5#
      • 1...b6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::S(C),XP(c)
    • B(k);N_GUARD::S(F),XB(k)
    • P(g);N_GUARD::S(F)
    • P(h);N_GUARD::R1(G)
    • P(i);OGATE,XB(D)::QAR1(A),XP(i)
    • P(j);N_GUARD::S(C),XP(h)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • R(a);P_SPINR(a)::S(C),XP(c)
        • S(d);N_GUARD,P_SPINS(d)::QAR2(A),XS(d)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • R(a);N_GUARD,XQ(A)::S(C),XP(c)
      • B(k);N_GUARD,P_PINB(D),XR(G)::S(F)
      • P(i);OGATE,XB(D)::QAR1(A),XP(i)
      • R(a);N_GUARD::QAB(A),XB(b)
      • R(a);N_GUARD::S(C),XP(c)
      • B(b);N_GUARD::QAB(A)
      • B(b);N_GUARD::QAB(A),XB(b)
      • B(b);SBLOCK::QAR2(A)
      • B(k);N_GUARD::S(F),XB(k)
      • S(d);N_GUARD::QAR2(A)
      • S(d);N_GUARD::QAR2(A),XS(d)
      • S(d);SBLOCK::R(G)
      • S(e);N_GUARD::QAB1(A)
      • S(e);N_GUARD::QAB1(A),XS(e)
      • S(e);SBLOCK::R(G)
      • P(g);N_GUARD::S(F)
      • P(h);N_GUARD::R1(G)
      • P(j);N_GUARD::S(C),XP(h)
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