MESON Chess Problem Database

Problem Display
PID: 160109 (2R5/B7/3p2Kp/3kpP1N/6n1/7p/1p2PQ1b/1N1n4 w - - 0 1)

Andrew, Frederick William

Stratford Express, 1919

(First published on Sat Mar 1 1919)

2R5/B7/3p2Kp/3kpP1N/6n1/7p/1p2PQ1b/1N1n4

#2

8 + 9

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf3#
    • 1...Sdxf2
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sde3
      • 2.Sc3#
    • 1...Sgxf2
      • 2.Sf6#
    • 1...Sge3
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...e4
      • 2.Qd4#
  • Tries
    • 1.Sf4+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Rc4#
        • 2.Qf3#
      • 1...exf4
        • 2.Qd4#
      • 1...Bxf4!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sd2#
      • 1...dxc5!
    • 1.Qe3?
      • threat
        • 2.Qd3#
      • 1...Sdxe3
        • 2.Sc3#
      • 1...Sgxe3
        • 2.Sf6#
      • 1...e4
        • 2.Qd4#
      • 1...Sdf2
        • 2.Sc3#
      • 1...Sgf2
        • 2.Sf6#
      • 1...Bg1!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Qc4#
      • 1...dxc5!
    • 1.Qb6?
      • threat
        • 2.Qc6#
        • 2.Qb7#
      • 1...e4
        • 2.Qd4#
        • 2.Qa5#
        • 2.Qb5#
      • 1...Ke4!
    • 1.Qxh2?
      • 1...Ke4
        • 2.Qh1#
      • 1...Sxh2
        • 2.Sf6#
      • 1...Sdf2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sde3
        • 2.Sc3#
      • 1...Sgf2
        • 2.Sf6#
      • 1...Sge3
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...e4!
  • Keys
    • 1.Qe1!
      • threat
        • 2.e4#
      • 1...Ke4
        • 2.Qh1#
      • 1...Sdf2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sde3
        • 2.Sc3#
      • 1...Sgf2
        • 2.Sf6#
      • 1...Sge3
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...e4
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::QAB1(C)
    • S(a);N_GUARD,XQ(C)::S(A)
    • S(a);N_GUARD::S(A),XS(a)
    • S(a);N_GUARD::S(A)
    • S(e);N_GUARD,XQ(C)::S(E)
    • S(e);N_GUARD::S(E)
    • S(e);N_GUARD::S(E),XS(e)
    • P(g);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • P(g);XS(E)::QAR1(C)
      • Refutation
        • B(c);XS(E)
    • Try
      • R(H);CHECK
      • Vars
        • K(f);S_FLIGHT::S(A)
      • Refutation
        • P(h);XR(H)
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • S(a);N_GUARD,XQ(C)::S(A)
        • S(e);N_GUARD,XQ(C)::S(E)
        • P(g);N_GUARD::QAR1(C)
        • S(a);N_GUARD::S(A)
        • S(e);N_GUARD::S(E)
      • Refutation
        • B(c);
    • Try
      • Q(C);CHECK
      • Refutation
        • P(h);XQ(C)
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(C);XB(c)
      • Vars
        • K(f);S_FLIGHT::QAB(C)
        • S(e);N_GUARD,XQ(C)::S(E)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(e);N_GUARD::S(E)
        • S(e);N_GUARD::S(E),XS(e)
      • Refutation
        • P(g);
  • Actual
    • Q(C);
    • Threat
      • P(B)
    • Vars
      • K(f);S_FLIGHT::QAB(C)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
      • S(e);N_GUARD::S(E)
      • S(e);N_GUARD::S(E),XS(e)
      • P(g);SBLOCK::QAR(C)
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