MESON Chess Problem Database

Problem Display
PID: 146494 (2B1R1N1/r1p2p1r/1b4q1/pP1kP1pp/1P6/1P1P1p2/1N2nQ1K/B7 w - - 0 1)

Kemp, Charles Edward

British Chess Magazine, 1934

2B1R1N1/r1p2p1r/1b4q1/pP1kP1pp/1P6/1P1P1p2/1N2nQ1K/B7

#2

12 + 12

15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Sf6#
    • 1...Qe4
      • 2.Sf6#
    • 1...Qf6
      • 2.Sxf6#
    • 1...Bc5
      • 2.Qxc5#
  • Tries
    • 1.Qxf3+?
      • 1...Qe4
        • 2.Qxe4#
      • 1...Kd4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se7#
      • 1...Qxd3
        • 2.Sf6#
      • 1...Qxg8
        • 2.Qxf3#
      • 1...Qd6
        • 2.Qxf3#
      • 1...Qe6
        • 2.Qxf3#
      • 1...Qf6
        • 2.Sxf6#
      • 1...Bc5
        • 2.Qxc5#
      • 1...c5
        • 2.Se3#
      • 1...c6
        • 2.Sxb6#
      • 1...f5
        • 2.Qxf3#
      • 1...f6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • Q(h);N_GUARD,XP(F)::S(L)
    • Q(h);N_GUARD::S(L)
    • Q(h);N_GUARD::S(L),XQ(h)
    • B(g);N_GUARD::QAR1(C),XB(g)
  • Tries
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • Q(h);N_GUARD,P_SPINQ(h)::QAB1(C),XQ(h)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • S(L)
    • Vars
      • Q(h);N_GUARD,XP(F)::S(L)
      • Q(h);N_GUARD,XS(L)::QAB(C),XP(b)
      • Q(h);N_GUARD,P_PINP(I)::QAB(C),XP(b)
      • Q(h);N_GUARD::QAB(C),XP(b)
      • Q(h);N_GUARD::S(L),XQ(h)
      • B(g);N_GUARD::QAR1(C),XB(g)
      • P(j);S_CUTB(g)::S(B)
      • P(j);N_GUARD,S_CUTQ(h)::S(B),XB(g)
      • P(k);S_CUTQ(h)::QAB(C),XP(b)
      • P(k);N_GUARD,S_CUTQ(h)::B(J)
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