MESON Chess Problem Database

Problem Display
PID: 21848 (3R4/2p5/4NK1p/5p1B/3N1R1r/1Pqk3p/1Pp5/2B2b2 w - - 0 1)

Mansfield, Comins

2nd Place, Hampshire Telegraph and Post, 1921

3R4/2p5/4NK1p/5p1B/3N1R1r/1Pqk3p/1Pp5/2B2b2

#2

9 + 9

4797 A Genius of the Two-mover 1936
3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Se2#
      • 2.Sb5#
      • 2.Sxf5#
      • 2.Sc6#
      • 2.Sc5#
    • 1...Qd2
      • 2.Sxf5#
    • 1...Qxd4+
      • 2.Rdxd4#
    • 1...Qa5
      • 2.Sb5#
    • 1...Qxb3
      • 2.Sxb3#
    • 1...Qc5
      • 2.Sxc5#
    • 1...Qc6
      • 2.Sxc6#
    • 1...Be2
      • 2.Bxe2#
    • 1...Bg2
      • 2.Be2#
  • Keys
    • 1.Ke5!
      • threat
        • 2.Rf3#
      • 1...Qe1+
        • 2.Se2#
      • 1...Qxd4+
        • 2.Rdxd4#
      • 1...Qa5+
        • 2.Sb5#
      • 1...Qc5+
        • 2.Sxc5#
      • 1...Qxb3
        • 2.Sxb3#
      • 1...Rxf4
        • 2.Sxf4#
      • 1...Qd2
        • 2.Sxf5#
      • 1...Qc6
        • 2.Sxc6#
      • 1...Be2
        • 2.Bxe2#
      • 1...Bg2
        • 2.Be2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_PINS(D)::R(I)+S(D),XP(g)
    • Q(c);CHECK,OGATE,P_SPINQ(c),XS(D)::R1(I),XQ(c)
    • Q(c);N_PINS(D)::R(I)+S(D)
    • Q(c);N_PINS(D),XP(C)::R(I)+S(D),XQ(c)
    • Q(c);N_GUARD,N_PINS(D)::S(G),XQ(c)
    • Q(c);N_PINS(D),P_PINS(G)::R(I)+S(D),XQ(c)
    • B(a);N_GUARD::B(F),XB(a)
    • B(a);N_GUARD::B(F)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • R(E)
    • Vars
      • Q(c);CHECK,N_PINS(D)::R(I)+S(D)
      • Q(c);CHECK,OGATE,P_SPINQ(c),XS(D)::R1(I),XQ(c)
      • Q(c);CHECK,N_GUARD,N_PINS(D)::S(G),XQ(c)
      • Q(c);N_PINS(D),XP(C)::R(I)+S(D),XQ(c)
      • R(f);XR(E)::S(G),XR(f)
      • Q(c);N_PINS(D)::R(I)+S(D),XP(g)
      • Q(c);N_PINS(D)::R(I)+S(D),XQ(c)
      • B(a);N_GUARD::B(F),XB(a)
      • B(a);N_GUARD::B(F)
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