MESON Chess Problem Database

Problem Display
PID: 146673 (5n1N/3rq1B1/Q1R2r1n/3bkB2/1N2p1PK/2P1p3/5R2/b7 w - - 0 1)

Zaric, Srbo

Australian Chess Problem Magazine, 1993

5n1N/3rq1B1/Q1R2r1n/3bkB2/1N2p1PK/2P1p3/5R2/b7

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Bxf6#
    • 1...Qc5
      • 2.Bxf6#
    • 1...Qe8
      • 2.Bxf6#
    • 1...Sxf5+
      • 2.Rxf5#
    • 1...Se6
      • 2.Sg6#
    • 1...Sg6+
      • 2.Sxg6#
    • 1...Sh7
      • 2.Sg6#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd4#
      • 1...Sxf5+
        • 2.Rxf5#
      • 1...Sg6+
        • 2.Sxg6#
      • 1...Qxb4
        • 2.Bxf6#
      • 1...Bxc3
        • 2.Qxc3#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...exf2
        • 2.Qg3#
      • 1...exd3
        • 2.Sxd3#
      • 1...Qc5
        • 2.Bxf6#
      • 1...Ba2
        • 2.Qxe4#
      • 1...Bb3
        • 2.Qxe4#
      • 1...Bc4
        • 2.Qxe4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Bf7
        • 2.Qxe4#
      • 1...Bg8
        • 2.Qxe4#
      • 1...Se6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 2
  • Sets
    • Q(i);N_GUARD,XS(C)::B(I),XR(f)
    • Q(i);N_GUARD::B(I),XR(f)
    • S(g);CHECK,OGATE,XB(F)::R1(A),XS(g)
    • S(j);N_GUARD::S(J)
    • S(j);CHECK,N_GUARD::S(J),XS(j)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • S(g);CHECK,OGATE,XB(F)::R1(A),XS(g)
      • S(j);CHECK,N_GUARD::S(J),XS(j)
      • Q(i);N_GUARD,XS(C)::B(I),XR(f)
      • B(a);OGATE,XP(B)::QAB(G),XB(a)
      • B(d);XR(H)::S(C),XB(d)
      • P(b);OGATE,XR(A)::QAB(G)
      • P(c);XQ(G)::S(C),XP(c)
      • Q(i);N_GUARD::B(I),XR(f)
      • B(d);N_GUARD::QAR1(G),XP(c)
      • S(j);N_GUARD::S(J)
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