MESON Chess Problem Database

Problem Display
PID: 56015 (bb1R4/pB3Q2/2q1p1K1/4p3/2n1kP2/6R1/2N3P1/8 w - - 0 1)

Mansfield, Comins

Szachy, 1978

bb1R4/pB3Q2/2q1p1K1/4p3/2n1kP2/6R1/2N3P1/8

#2

8 + 8

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Re3#
    • 1...Sd2
      • 2.Re3#
    • 1...Sa3
      • 2.Re3#
    • 1...Se3
      • 2.Rxe3#
    • 1...Sa5
      • 2.Re3#
    • 1...Sb6
      • 2.Re3#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Rd4#
      • 1...Kxf4
        • 2.Rg4#
      • 1...Qd5
        • 2.Qf5#
      • 1...Bd6
        • 2.Qxc4#
      • 1...Sd6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • S(a);N_GUARD::R1(C)
    • S(a);N_GUARD::R1(C),XS(a)
  • Actual
    • Q(G);P_PINP(c),P_SPINQ(G),XP(e)
    • Threat
      • R1(H)
    • Vars
      • K(b);N_SPINP(c),N_SPINQ(d),OGATEB,P-FLIGHT,XP(D)::R1(C)
      • Q(d);N_PINQ(G)::QAB1(G)
      • B(h);N_PINQ(G)::QAR2(G),XS(a)
      • S(a);N_PINQ(G)::QAR1(G),XP(c)
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