MESON Chess Problem Database

Problem Display
PID: 56321 (7b/BP1P4/1R6/2NpR3/2Nk1n1Q/P3p2n/BK2pp2/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

The Problemist, 2004

7b/BP1P4/1R6/2NpR3/2Nk1n1Q/P3p2n/BK2pp2/8

#2

11 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Rd3#
      • 1...Kxc4
        • 2.Rb4#
      • 1...dxc4
        • 2.Sd3#
      • 1...e1S!
    • 1.Rd6?
      • threat
        • 2.Re4#
        • 2.Rexd5#
        • 2.Rdxd5#
      • 1...Sg5
        • 2.Rexd5#
        • 2.Rdxd5#
      • 1...Bxe5!
    • 1.Qxf4+?
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Sxf4!
    • 1.d8S?
      • threat
        • 2.Sde6#
      • 1...Kxc5
        • 2.Rb4#
      • 1...dxc4
        • 2.Sc6#
      • 1...Sg5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Rxd5#
      • 1...Kxc5
        • 2.Ra6#
      • 1...Kxe5
        • 2.Qxh8#
      • 1...Bxe5
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);
      • Threat
        • R1(H)
      • Vars
        • K(e);OGATEB,P-FLIGHT,P_PINR(G),XS(D)::B(A)+R(H),DCHECK
        • P(g);SBLOCK,XS(D)::B(I)+S(F)
      • Refutation
        • P(a);
    • Try
      • R(H);P_PINP(g)
      • Threat
        • DUALS(3)
      • Refutation
        • B(h);XR(G)
    • Try
      • Q(E);CHECK,XS(f)
      • Vars
        • K(e);P_PINR(G),P_SPINP(g),S_FLIGHT,XS(F)::QAB(E),XP(c)
      • Refutation
        • S(d);XQ(E)
    • Try
      • P(K);
      • Threat
        • S(K)
      • Vars
        • K(e);N_SPINS(f),OGATEB,P_PINR(G),P_SPINP(g),S_FLIGHT,XS(F)::B(I)+R(H)
        • P(g);XS(D)::S(K)
      • Refutation
        • S(d);
  • Actual
    • S(D);
    • Threat
      • R1(G),XP(g)
    • Vars
      • K(e);N_SPINS(f),OGATEB,P_PINR(G),P_SPINP(g),S_FLIGHT,XS(F)::B(I)+R(H)
      • K(e);N_SPINS(f),OGATEB,S_FLIGHT,XR(G)::QAB(E),XB(h)
      • B(h);SBLOCK,XR(G)::R(H)
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