MESON Chess Problem Database

Problem Display
PID: 210733 (5B2/8/r1N5/3B4/p2b2p1/N3R3/1p1k1pK1/2n2Q2 w - - 0 1)

Kuzovkov, Aleksandr S

The Problemist, 1985

5B2/8/r1N5/3B4/p2b2p1/N3R3/1p1k1pK1/2n2Q2

#2

7 + 8

1085 Australian Chess Problem Magazine 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe3
      • 2.Bh6#
    • 1...Bxe3
      • 2.Bb4#
    • 1...Sa2
      • 2.Rd3#
    • 1...Sb3
      • 2.Rd3#
    • 1...Sd3
      • 2.Rxd3#
  • Tries
    • 1.Sb1+?
      • 1...Kxe3
        • 2.Bh6#
      • 1...Kc2!
    • 1.Sb4?
      • threat
        • 2.Sc4#
      • 1...Kxe3
        • 2.Qxf2#
      • 1...Bxe3
        • 2.Sb1#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Rc6!
    • 1.Qd1+?
      • 1...Kxe3
        • 2.Bh6#
      • 1...Kxd1!
    • 1.Qxf2+?
      • 1...Kd1
        • 2.Re1#
        • 2.Qe1#
        • 2.Qc2#
      • 1...Se2!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Sb1#
      • 1...Kxc3
        • 2.Bb4#
      • 1...Bxc3
        • 2.Bh6#
      • 1...Sd3
        • 2.Rxd3#
      • 1...b1Q
        • 2.Sxb1#
      • 1...b1S
        • 2.Sxb1#
      • 1...b1B
        • 2.Sxb1#
      • 1...b1R
        • 2.Sxb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • K(c);OGATEB,S_FLIGHT,XR(D)::B(G)
    • B(f);N_GUARD,SBLOCK,XR(D)::B(G)
    • S(a);N_GUARD::R1(D)
    • S(a);N_GUARD::R1(D),XS(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(D)::B(G)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(F);
      • Threat
        • S(C)
      • Vars
        • K(c);S_FLIGHT,XR(D)::QAB1(A),XP(d)
        • B(f);SBLOCK,XR(D)::S(C)
        • S(a);N_GUARD::R1(D),XS(a)
      • Refutation
        • R(h);
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(D)::B(G)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK,XP(d)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • R(D);
    • Threat
      • S(C)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::B(G)
      • B(f);N_GUARD,SBLOCK,XR(D)::B(G)
      • S(a);N_GUARD::R1(D),XS(a)
      • P(b);::S(C),XQ(b)
      • P(b);::S(C),XS(b)
      • P(b);::S(C),XB(b)
      • P(b);::S(C),XR(b)
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