MESON Chess Problem Database

Problem Display
PID: 44111 (n2N4/1b3p1B/6n1/B2ppp2/1K1k2p1/4p1R1/4P3/7Q w - - 0 1)

Hanshew, John K

Source?, 0000

n2N4/1b3p1B/6n1/B2ppp2/1K1k2p1/4p1R1/4P3/7Q

#2

7 + 10

4803 Chess Problems by John K Hanshew 1874

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Sc6#
    • 1...Bc6
      • 2.Sxc6#
    • 1...Bc8
      • 2.Sc6#
    • 1...Sb6
      • 2.Bxb6#
    • 1...Sc7
      • 2.Bb6#
    • 1...e4
      • 2.Qa1#
    • 1...f6
      • 2.Se6#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qd3#
      • 1...e4
        • 2.Qa1#
        • 2.Qb2#
      • 1...Ba6
        • 2.Sc6#
      • 1...Sf4!
    • 1.Qc1?
      • threat
        • 2.Qxe3#
      • 1...Ke4
        • 2.Qxe3#
      • 1...e4
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc3#
      • 1...f4!
    • 1.Qg1?
      • threat
        • 2.Qxe3#
      • 1...Ke4
        • 2.Qxe3#
      • 1...e4
        • 2.Qa1#
      • 1...f4!
  • Keys
    • 1.Bxg6!
      • 1...fxg6
        • 2.Se6#
      • 1...e4
        • 2.Qa1#
      • 1...Ba6
        • 2.Sc6#
      • 1...Bc6
        • 2.Sxc6#
      • 1...Bc8
        • 2.Sc6#
      • 1...Sb6
        • 2.Bxb6#
      • 1...Sc7
        • 2.Bb6#
      • 1...f4
        • 2.Qa1#
        • 2.Qd1#
      • 1...f6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD::S(G)
    • B(h);N_GUARD::S(G),XB(h)
    • S(j);N_GUARD::B(E),XS(j)
    • S(j);N_GUARD::B(E)
    • P(e);SBLOCK::QAB(A)
    • P(i);N_GUARD::S(G)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(h);N_GUARD::S(G)
      • Refutation
        • S(g);
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(A),XP(a)
      • Refutation
        • P(f);
    • Try
      • Q(A);P_PINP(a)
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAR1(A),XP(a)
        • P(e);SBLOCK::QAB(A)
      • Refutation
        • P(f);
  • Actual
    • B(F);XS(g)
    • Vars
      • P(i);N_GUARD,XB(F)::S(G)
      • P(e);SBLOCK::QAB(A)
      • B(h);N_GUARD::S(G)
      • B(h);N_GUARD::S(G),XB(h)
      • S(j);N_GUARD::B(E),XS(j)
      • S(j);N_GUARD::B(E)
      • P(i);N_GUARD::S(G)
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