MESON Chess Problem Database

Problem Display
PID: 41912 (6n1/2bQp1K1/8/3pkpp1/3p1p2/3r1r2/3NPN2/8 w - - 0 1)

Mansfield, Comins

2nd HM., Christian Science Monitor, 1946

6n1/2bQp1K1/8/3pkpp1/3p1p2/3r1r2/3NPN2/8

#2

5 + 11

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sf6
      • 2.Qxe7#
    • 1...Sh6
      • 2.Qxe7#
    • 1...e6
      • 2.Qxc7#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qe6#
        • 2.Qxc7#
      • 1...Rc3
        • 2.Qe6#
      • 1...Ba5
        • 2.Qe6#
      • 1...Bb6
        • 2.Qe6#
      • 1...Bd6
        • 2.Qe6#
      • 1...Bb8
        • 2.Qe6#
      • 1...Bd8
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
        • 2.Qxc7#
      • 1...Sh6+!
  • Keys
    • 1.e4!
      • threat
        • 2.Qxd5#
      • 1...dxe4
        • 2.Sc4#
      • 1...fxe4
        • 2.Sg4#
      • 1...dxe4 ep
        • 2.Sxf3#
      • 1...fxe4 ep
        • 2.Sxd3#
      • 1...Bd6
        • 2.Qxf5#
      • 1...Sf6
        • 2.Qxe7#
      • 1...e6
        • 2.Qxc7#

This is a version of 17338

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(k);N_GUARD::QAR2(D),XP(j)
    • P(j);SBLOCK::QAB(D),XB(i)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAR1(D)
        • B(i);::QAR1(D)
      • Refutation
        • S(k);CHECK
  • Actual
    • P(B);
    • Threat
      • QAR1(D),XP(e)
    • Vars
      • P(e);N_GUARD,XP(B)::S(A)
      • P(g);N_GUARD,XP(B)::S(C)
      • P(c);EP,S_CUTR(a),XP(B)::S(A),XR(b)
      • P(d);EP,S_CUTR(b),XP(B)::S(C),XR(a)
      • B(i);SBLOCK::QAR1(D),XP(g)
      • S(k);N_GUARD::QAR2(D),XP(j)
      • P(j);SBLOCK::QAB(D),XB(i)
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