MESON Chess Problem Database

Problem Display
PID: 164685 (3KB3/2B5/8/2RRp3/4kpPn/n4p2/5P2/1b6 w - - 0 1)

Onkoud, Abdelaziz

Sachmatija, 2007

3KB3/2B5/8/2RRp3/4kpPn/n4p2/5P2/1b6

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Bg6#
    • 1...Sg6
      • 2.Bxg6#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd6#
        • 2.Rd7#
      • 1...Bd3
        • 2.Rd6#
        • 2.Rd7#
      • 1...Ba2!
    • 1.Bg6+?
      • 1...Sf5
        • 2.Bxf5#
      • 1...Sxg6!
    • 1.Rc4+?
      • 1...Kxd5
        • 2.Bf7#
      • 1...Sxc4!
    • 1.Rd1?
      • threat
        • 2.Bc6#
        • 2.Rxe5#
      • 1...Ba2
        • 2.Rxe5#
      • 1...Sc4
        • 2.Bc6#
        • 2.Rxc4#
      • 1...Sg6
        • 2.Bc6#
        • 2.Bxg6#
      • 1...Bd3!
    • 1.Rd2?
      • threat
        • 2.Bc6#
        • 2.Rxe5#
      • 1...Ba2
        • 2.Rxe5#
      • 1...Sc4
        • 2.Bc6#
        • 2.Rxc4#
      • 1...Sg6
        • 2.Bc6#
        • 2.Bxg6#
      • 1...Bd3!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Rxe5#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sg6
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(f);N_GUARD::B(G)
    • S(f);N_GUARD::B(G),XS(f)
  • Tries
    • Try
      • B(G);
      • Threat
        • DUALS(4)
      • Refutation
        • B(a);
    • Try
      • B(G);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::B(G),XS(f)
      • Refutation
        • S(f);XB(G)
    • Try
      • R(C);CHECK
      • Vars
        • K(d);S_FLIGHT,XR(D)::B(G)
      • Refutation
        • S(b);XR(C)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(C),XP(g)
      • Refutation
        • B(a);
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(C),XP(g)
      • Refutation
        • B(a);
  • Actual
    • R(D);
    • Threat
      • R1(C),XP(g)
    • Vars
      • S(b);N_GUARD::R(C),XS(b)
      • S(f);N_GUARD::B(G),XS(f)
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