MESON Chess Problem Database

Problem Display
PID: 143441 (6N1/3K1pp1/pB1p2P1/1p1k4/RnN3P1/8/bQR1nP1p/4r1bq w - - 0 1)

Anonymous

Hackney Mercury, 1894

6N1/3K1pp1/pB1p2P1/1p1k4/RnN3P1/8/bQR1nP1p/4r1bq

#2

10 + 13

15 British Chess Magazine 1894

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qd4#
    • 1...Sg3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sf4
      • 2.Qd4#
    • 1...Sd3
      • 2.Se3#
    • 1...Sc6
      • 2.Se3#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Se7#
        • 2.Rc5#
      • 1...Bxf2
        • 2.Se7#
      • 1...Sxc2
        • 2.Se7#
      • 1...Sd4
        • 2.Rc5#
        • 2.Qxd4#
      • 1...Qe4
        • 2.Rc5#
      • 1...Rc1
        • 2.Se7#
      • 1...Bc4
        • 2.Se7#
      • 1...Sc1
        • 2.Rc5#
        • 2.Qd4#
      • 1...Sg3
        • 2.Rc5#
        • 2.Qd4#
      • 1...Sf4
        • 2.Rc5#
        • 2.Qd4#
      • 1...Sd3
        • 2.Se7#
      • 1...Sc6
        • 2.Rc5#
      • 1...Sc3!
    • 1.Rd2+?
      • 1...Kxc4
        • 2.Rxb4#
        • 2.Qxb4#
      • 1...Sd4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sd3
        • 2.Se3#
      • 1...Ke4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Qf5#
      • 1...fxg6
        • 2.Qe6#
      • 1...gxf6
        • 2.Sxf6#
      • 1...Sc3
        • 2.Qd4#
      • 1...Qf3
        • 2.Qxf3#
      • 1...Qe4
        • 2.Qxd6#
      • 1...Sc1
        • 2.Qd4#
      • 1...Sg3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qd4#
      • 1...Sd3
        • 2.Se3#
      • 1...Sc6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::QAR1(A)
    • S(e);N_GUARD::QAR1(A),XS(e)
    • S(g);::S(E)
  • Tries
    • Try
      • S(E);XP(k)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(C)::S(J)
        • S(g);XR(B)::S(J)
        • Q(c);::R1(B)
        • R(a);::S(J)
        • B(d);::S(J)
        • S(g);::S(J)
        • S(g);::R1(B)
      • Refutation
        • S(e);
    • Try
      • R(B);CHECK
      • Vars
        • S(g);P_SPINS(g)::S(E)
      • Refutation
        • K(i);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(i);S_FLIGHT::QAB1(A)
      • P(l);N_GUARD,XP(H)::QAB1(A)
      • P(m);XQ(A)::S(J),XP(m)
      • S(e);N_GUARD::QAR1(A)
      • Q(c);N_GUARD::QAB(A),XQ(c)
      • Q(c);SBLOCK::QAR1(A),XP(k)
      • S(e);N_GUARD::QAR1(A),XS(e)
      • S(g);::S(E)
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