MESON Chess Problem Database

Problem Display
PID: 3184 (b4n2/4pq1B/Q2BN3/1p1k3r/1P6/1K2R3/2P4b/8 w - - 0 1)

Mansurov, Nasir

2nd HM., Shakhmaty v SSSR, 1953

b4n2/4pq1B/Q2BN3/1p1k3r/1P6/1K2R3/2P4b/8

#2

8 + 8

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Rd3#
    • 1...Bxd6
      • 2.Qxa8#
    • 1...exd6
      • 2.Qxb5#
  • Tries
    • 1.Qb6?
      • threat
        • 2.Sc7#
        • 2.Qc5#
      • 1...Qxe6
        • 2.Rd3#
        • 2.Qc5#
      • 1...Sxe6
        • 2.Be4#
      • 1...exd6
        • 2.Qxb5#
      • 1...Re5
        • 2.Sc7#
      • 1...Be5
        • 2.Sc7#
      • 1...Bc6
        • 2.Qd4#
        • 2.Qc5#
      • 1...Sd7
        • 2.Sc7#
      • 1...Bxd6!
    • 1.c3?
      • threat
        • 2.Sc7#
      • 1...Qxe6
        • 2.Rd3#
      • 1...Bxd6
        • 2.Qxa8#
      • 1...Sxe6
        • 2.Be4#
      • 1...exd6
        • 2.Qxb5#
      • 1...Bc6!
  • Keys
    • 1.Be5!
      • threat
        • 2.Sc7#
      • 1...Qxe6
        • 2.Qxb5#
      • 1...Rxe5
        • 2.Rd3#
      • 1...Bxe5
        • 2.Be4#
      • 1...Sxe6
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(f);SBLOCK,XS(G)::R(C)
    • B(a);SBLOCK,XB(F)::QAB(E),XB(g)
    • P(e);SBLOCK,XB(F)::QAR2(E),XP(b)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);SBLOCK,XS(G)::B(H)
        • P(e);SBLOCK,XB(F)::QAR2(E),XP(b)
        • R(d);::S(G)
        • B(a);::S(G)
        • S(h);::S(G)
      • Refutation
        • B(a);XB(F)
    • Try
      • P(A);
      • Threat
        • S(G)
      • Vars
        • Q(f);SBLOCK,XS(G)::R(C)
        • B(a);SBLOCK,XB(F)::QAB(E),XB(g)
        • S(h);SBLOCK,XS(G)::B(H)
        • P(e);SBLOCK,XB(F)::QAR2(E),XP(b)
      • Refutation
        • B(g);
  • Actual
    • B(F);
    • Threat
      • S(G)
    • Vars
      • Q(f);SBLOCK,XS(G)::QAR2(E),XP(b)
      • R(d);SBLOCK,XB(F)::R(C)
      • B(a);SBLOCK,XB(F)::B(H)
      • S(h);SBLOCK,XS(G)::QAB(E),XB(g)
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