MESON Chess Problem Database

Problem Display
PID: 230935 (1b5B/1p3p1B/1Q3p1K/1N1PkrR1/1N5p/2pr1P1b/3p4/8 w - - 0 1)

Tucker, FG

British Chess Magazine, 1931

1b5B/1p3p1B/1Q3p1K/1N1PkrR1/1N5p/2pr1P1b/3p4/8

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qxe3#
      • 2.Qd4#
    • 1...Rxf3
      • 2.Qd4#
    • 1...Rd4
      • 2.Qxd4#
    • 1...Rxd5
      • 2.Qe3#
    • 1...Rxg5
      • 2.Qxf6#
    • 1...Bf1
      • 2.Rxf5#
    • 1...Bg2
      • 2.Rxf5#
    • 1...Bd6
      • 2.Qxd6#
    • 1...Ba7
      • 2.Qc7#
      • 2.Qd6#
    • 1...Bc7
      • 2.Qxc7#
  • Tries
    • 1.Qe6+?
      • 1...Kf4
        • 2.Qe4#
      • 1...fxe6!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qh2#
      • 1...Kf4
        • 2.Sxd3#
      • 1...Rxf3
        • 2.Qd4#
      • 1...Rxd5
        • 2.Qe3#
      • 1...Rxg5
        • 2.f4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bg2
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD,XP(A)::QAB1(F)
    • R(c);N_GUARD::QAB1(F),XR(c)
    • R(c);N_GUARD,XP(D)::QAR2(F)
    • R(g);N_SPINR(g),XR(E)::QAB1(F),XP(h)
    • B(d);N_GUARD::R1(E),XR(g)
    • B(k);N_GUARD::QAB1(F),XB(k)
    • B(k);N_GUARD::QAB(F),XB(k)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);N_SPINP(h),N_SPINR(g),OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • P(j);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • K(f);N_SPINP(h),N_SPINR(g),S_FLIGHT::S(B),XR(c)
      • R(c);N_GUARD,XP(A)::QAB1(F)
      • R(c);N_GUARD,XP(D)::QAR2(F)
      • R(g);N_SPINR(g),XR(E)::P(A)
      • R(c);N_GUARD::QAB1(F),XR(c)
      • B(d);N_GUARD::R1(E),XR(g)
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