MESON Chess Problem Database

Problem Display
PID: 21907 (b7/7p/1p3K2/1r1N4/3k2NQ/2R1R3/2n5/4n3 w - - 0 1)

Mansfield, Comins

1st HM., 2. Centurini Ty., 1922

b7/7p/1p3K2/1r1N4/3k2NQ/2R1R3/2n5/4n3

#2

6 + 7

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Sf2#
      • 2.Sh2#
      • 2.Se5#
      • 2.Sh6#
    • 1...Sxe3
      • 2.Sgxe3#
  • Tries
    • 1.Red3+?
      • 1...Ke4
        • 2.Sf2#
        • 2.Sh2#
        • 2.Se5#
        • 2.Sh6#
        • 2.Qxh7#
      • 1...Sxd3!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Sf6#
      • 1...Rxd5+
        • 2.Se5#
      • 1...Sxe3+
        • 2.Sxe3#
      • 1...Kxd5
        • 2.Qd8#
      • 1...Bxd5
        • 2.Qf6#
      • 1...Sg2
        • 2.Red3#
      • 1...Sd3
        • 2.Rexd3#
      • 1...Sf3
        • 2.Red3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(b);XR(B)::QAR(D)+S(C),XS(b)
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • S(a);XR(B)
  • Actual
    • K(F);P-FLIGHT,P_SPINS(E)
    • Threat
      • QAR(D)+S(C)
    • Vars
      • R(d);CHECK,SBLOCK,XS(E)::QAR(D)+S(C)
      • S(b);CHECK,XR(B)::QAR(D)+S(C),XS(b)
      • K(c);OGATEB,P-FLIGHT,XS(E)::QAR(D)
      • B(g);SBLOCK,XS(E)::QAB(D)
      • S(a);N_GUARD::R1(B)
      • S(a);N_GUARD::R1(B),XS(a)
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