MESON Chess Problem Database

Problem Display
PID: 164070 (8/3pp3/1Pp1r1pP/2p1k1p1/2P1N1K1/1N2B3/5p2/1B2RR2 w - - 0 1)

Sushkov, Yuri Akimovich

Probleemblad, 1978

8/3pp3/1Pp1r1pP/2p1k1p1/2P1N1K1/1N2B3/5p2/1B2RR2

#2

10 + 9

5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf2?
      • 1...Kd6
        • 2.Bxc5#
      • 1...Kf6
        • 2.Sd3#
      • 1...Rd6
        • 2.Bd4#
        • 2.Bxg5#
      • 1...Rf6
        • 2.Bf4#
        • 2.Bxc5#
      • 1...d6
        • 2.Bd4#
        • 2.Bxg5#
      • 1...d5!
    • 1.Bxc5?
      • threat
        • 2.Bd4#
      • 1...Rf6
        • 2.Sxf2#
      • 1...Rd6!
    • 1.Bxg5?
      • threat
        • 2.Bf4#
      • 1...Rd6
        • 2.Sxf2#
      • 1...Rf6!
  • Keys
    • 1.Sd6!
      • 1...Kxd6
        • 2.Bxc5#
      • 1...Kf6
        • 2.Bxg5#
      • 1...Rxd6
        • 2.Bd4#
      • 1...fxe1Q
        • 2.Sf7#
      • 1...fxe1S
        • 2.Sf7#
      • 1...fxe1B
        • 2.Sf7#
      • 1...fxe1R
        • 2.Sf7#
      • 1...exd6
        • 2.Bd4#
      • 1...Rf6
        • 2.Bf4#

This anticipates 7418(1999)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XP(a)
      • Vars
        • K(c);S_FLIGHT::B(E),XP(b)
        • K(c);S_FLIGHT::R(C)+S(G)
      • Refutation
        • P(h);
    • Try
      • B(E);XP(b)
      • Threat
        • B(E)
      • Vars
        • R(f);SBLOCK::R(B)+S(G),XP(a)
      • Refutation
        • R(f);
    • Try
      • B(E);XP(d)
      • Threat
        • B(E)
      • Vars
        • R(f);SBLOCK::R(B)+S(G),XP(a)
      • Refutation
        • R(f);
  • Actual
    • S(G);
    • Vars
      • K(c);S_FLIGHT,XS(G)::B(E),XP(b)
      • K(c);P_SPINP(a),S_FLIGHT::B(E),XP(d)
      • R(f);SBLOCK,XS(G)::R(B)+B(E),DCHECK
      • P(a);XR(B)::S(G)
      • P(i);SBLOCK,XS(G)::R(B)+B(E),DCHECK
      • R(f);SBLOCK::R(B)+B(E),DCHECK
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