MESON Chess Problem Database

Problem Display
PID: 42200 (BB6/1R6/2N1rn2/3N1P1R/2r1k1p1/4p1P1/5P1K/2bQ4 w - - 0 1)

Mansfield, Comins

Comm., Problem (Zagreb), 1967-1968

BB6/1R6/2N1rn2/3N1P1R/2r1k1p1/4p1P1/5P1K/2bQ4

#2

11 + 7

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxc3#
    • 1...Ra4
      • 2.Sc3#
    • 1...Rb4
      • 2.Sc3#
      • 2.Rxb4#
    • 1...Rd4
      • 2.Sc3#
    • 1...Re5
      • 2.Sxf6#
    • 1...Re7
      • 2.Sxf6#
      • 2.Rxe7#
    • 1...Re8
      • 2.Sxf6#
  • Tries
    • 1.Sdb4?
      • threat
        • 2.Qh1#
      • 1...Rxb4
        • 2.Rxb4#
      • 1...Rexc6
        • 2.Re7#
      • 1...Sxh5
        • 2.Qd5#
      • 1...exf2
        • 2.Qd3#
      • 1...Rcxc6!
    • 1.Rb3?
      • threat
        • 2.Qh1#
      • 1...Rcxc6
        • 2.Sc3#
      • 1...Rexc6
        • 2.Sxf6#
      • 1...Rc3
        • 2.Sxc3#
      • 1...Sxh5!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qh1#
      • 1...Rcxc6
        • 2.Rb4#
      • 1...Rexc6
        • 2.Re7#
      • 1...Sxh5
        • 2.Qd5#
      • 1...exf2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::S(E),XR(c)
    • R(c);N_GUARD::S(E)
    • R(f);N_GUARD::S(E),XS(g)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB(A)
      • Vars
        • R(c);OGATE,XS(E)::R(I),XR(c)
        • R(f);OGATEB,XS(H)::R(I)
        • S(g);N_GUARD,XR(G)::QAB1(A)
        • P(b);XP(B)::QAB1(A)
      • Refutation
        • R(c);XS(H)
    • Try
      • R(I);
      • Threat
        • QAB(A)
      • Vars
        • R(c);N_GUARD,XS(H)::S(E)
        • R(f);N_GUARD,XS(H)::S(E),XS(g)
        • R(c);N_GUARD::S(E),XR(c)
      • Refutation
        • S(g);XR(G)
  • Actual
    • S(E);
    • Threat
      • QAB(A)
    • Vars
      • R(c);OGATEB,XS(H)::R(I)
      • R(f);OGATEB,XS(H)::R(I)
      • S(g);N_GUARD,XR(G)::QAB1(A)
      • P(b);XP(B)::QAB1(A)
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