MESON Chess Problem Database

Problem Display
PID: 135676 (4r3/1B1N3p/R6K/1Npn1PP1/2r1k3/7Q/3B2P1/5q2 w - - 0 1)

Ancin, Andrej

Shakhmatna misl, 1954

4r3/1B1N3p/R6K/1Npn1PP1/2r1k3/7Q/3B2P1/5q2

#2

10 + 7

14649 Andrej Ancin - Chess Compositions 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Qg4#
    • 1...Qa1
      • 2.Qf3#
    • 1...Qb1
      • 2.Qf3#
    • 1...Qc1
      • 2.Qf3#
    • 1...Qe1
      • 2.Qf3#
    • 1...Qg1
      • 2.Qf3#
    • 1...Qf3
      • 2.Qxf3#
    • 1...Qxf5
      • 2.Qe3#
    • 1...Rd4
      • 2.Sc3#
      • 2.Sd6#
    • 1...Re5
      • 2.Sf6#
    • 1...Re6+
      • 2.Rxe6#
    • 1...Ra8
      • 2.Re6#
    • 1...Rb8
      • 2.Re6#
    • 1...Rc8
      • 2.Re6#
    • 1...Rd8
      • 2.Re6#
    • 1...Rf8
      • 2.Re6#
    • 1...Rg8
      • 2.Re6#
    • 1...Rh8
      • 2.Re6#
  • Keys
    • 1.Rd6!
      • threat
        • 2.Bxd5#
      • 1...Re6+
        • 2.Rxe6#
      • 1...Qxf5
        • 2.Qe3#
      • 1...Qf3
        • 2.Qxf3#
      • 1...Qd3
        • 2.Qg4#
      • 1...Rd4
        • 2.Sc3#
      • 1...Re5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • Q(a);N_GUARD,SBLOCK::QAR2(C)
    • Q(a);N_GUARD::QAB1(C)
    • Q(a);N_GUARD::QAB1(C),XQ(a)
    • Q(a);SBLOCK,XP(E)::QAR1(C)
    • R(g);SBLOCK::S(J)
    • R(g);CHECK,N_GUARD::R(G),XR(g)
    • R(g);N_GUARD::R(G)
  • Actual
    • R(G);
    • Threat
      • B(I),XS(e)
    • Vars
      • R(g);CHECK,N_GUARD::R(G),XR(g)
      • Q(a);SBLOCK,XP(E)::QAR1(C)
      • Q(a);N_GUARD::QAB1(C),XQ(a)
      • Q(a);N_GUARD,SBLOCK::QAR2(C)
      • R(b);N_GUARD,SBLOCK::S(D)
      • R(g);SBLOCK::S(J)
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