MESON Chess Problem Database

Problem Display
PID: 263453 (1Q3b2/1N6/2p2NK1/8/3k4/3P2n1/2PB4/4r3 w - - 0 1)

Kochulov, I

Zadachi i Etyudi, 2009

1Q3b2/1N6/2p2NK1/8/3k4/3P2n1/2PB4/4r3

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Qd6#
    • 1...Bd6
      • 2.Qxd6#
    • 1...Bh6
      • 2.Qd6#
    • 1...Bg7
      • 2.Qd6#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Sb3#
      • 1...Kc5
        • 2.Sb3#
        • 2.Qb4#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Rb1!
    • 1.Qxg3?
      • threat
        • 2.c3#
      • 1...Rc1
        • 2.Qf4#
        • 2.Qe3#
      • 1...Re3
        • 2.Qxe3#
      • 1...Bb4!
    • 1.Qd8+?
      • 1...Bd6
        • 2.Qxd6#
      • 1...Ke5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb3#
      • 1...Kxc5
        • 2.Qb4#
      • 1...Bxc5
        • 2.Qb2#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Rb1
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(a);S_CUTB(e)::QAR2(G)
    • B(e);N_GUARD::QAR2(G),XB(e)
    • B(e);N_GUARD::QAR2(G)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • B(e);N_GUARD::QAR2(G),XB(e)
      • Refutation
        • R(a);
    • Try
      • Q(G);XS(b)
      • Threat
        • P(A)
      • Vars
        • R(a);N_GUARD::QAB1(G),XR(a)
      • Refutation
        • B(e);
    • Try
      • Q(G);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR2(G),XB(e)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(c);N_GUARD,S_FLIGHT,XS(F)::QAB1(G)
      • B(e);SBLOCK,XS(F)::QAB(G)
      • B(e);N_GUARD::QAR2(G),XB(e)
      • R(a);N_GUARD::S(F)
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