MESON Chess Problem Database

Problem Display
PID: 6122 (8/3Q4/1K3P2/2p5/2k1NR2/1p3qn1/8/3bB3 w - - 0 1)

Mansfield, Comins

1st Prize, Falkirk Herald, 1927

8/3Q4/1K3P2/2p5/2k1NR2/1p3qn1/8/3bB3

#2

6 + 6

3202 Complete Mansfield/I 1996
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qh5
      • 2.Sxg3#
    • 1...Qc3
      • 2.Sd2#
  • Tries
    • 1.Sf2+?
      • 1...Qe4
        • 2.Qd3#
      • 1...Qxf4
        • 2.Qd3#
      • 1...Se4!
    • 1.Sxg3+?
      • 1...Qe4
        • 2.Rxe4#
      • 1...Qxf4!
    • 1.Sxc5+?
      • 1...Qe4
        • 2.Qd3#
      • 1...Qxf4
        • 2.Qd3#
      • 1...Se4!
    • 1.Sd6+?
      • 1...Kd5
        • 2.Sc4#
        • 2.Sf7#
      • 1...Kd3!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qd5#
      • 1...Qc3
        • 2.Sd2#
      • 1...Qh5
        • 2.Sxg3#
      • 1...Qd3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_GUARD::R(C)+S(B),XS(d)
    • Q(c);SBLOCK::R(C)+S(B),DCHECK
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • Q(c);P_SPINQ(c)::QAB1(F)
        • Q(c);XR(C)::QAB1(F)
      • Refutation
        • S(d);P_SPINS(d)
    • Try
      • S(B);CHECK,XS(d)
      • Vars
        • Q(c);N_GUARD,P_SPINQ(c)::R(C),XQ(c)
      • Refutation
        • Q(c);XR(C)
    • Try
      • S(B);CHECK,XP(f)
      • Vars
        • Q(c);P_SPINQ(c)::QAB1(F)
        • Q(c);XR(C)::QAB1(F)
      • Refutation
        • S(d);P_SPINS(d)
    • Try
      • S(B);CHECK
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • K(D);P-FLIGHT,P_SPINS(B)
    • Threat
      • QAB1(F)
    • Vars
      • Q(c);N_PINS(B),SBLOCK::R(C)+S(B),DCHECK
      • Q(c);N_PINS(B)::R(C)+S(B),XS(d)
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