MESON Chess Problem Database

Problem Display
PID: 141452 (3R4/2p2K2/5NQ1/R1p1p3/2k1Pb2/2B1n1n1/P1bPp3/1B6 w - - 0 1)

Janevski, Zivko

Comm., Die Schwalbe, 2010

3R4/2p2K2/5NQ1/R1p1p3/2k1Pb2/2B1n1n1/P1bPp3/1B6

#2

10 + 9

23 Die Schwalbe 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Bd3#
    • 1...Bb3
      • 2.Bd3#
    • 1...Bd3
      • 2.Bxd3#
    • 1...Ba4
      • 2.Bd3#
  • Tries
    • 1.Sg4?
      • threat
        • 2.Qa6#
      • 1...Ba4
        • 2.Bd3#
      • 1...c6!
    • 1.Sh5?
      • threat
        • 2.Qa6#
      • 1...Ba4
        • 2.Bd3#
      • 1...c6!
    • 1.Sd7?
      • threat
        • 2.Qa6#
      • 1...Kd3
        • 2.Sxe5#
      • 1...Bxe4
        • 2.Rxc5#
      • 1...c6
        • 2.Sb6#
      • 1...Ba4
        • 2.Rxc5#
      • 1...Sxe4!
    • 1.Sh7?
      • threat
        • 2.Qa6#
      • 1...Ba4
        • 2.Bd3#
      • 1...c6!
    • 1.Se8?
      • threat
        • 2.Qa6#
      • 1...Ba4
        • 2.Bd3#
      • 1...c6!
    • 1.Sg8?
      • threat
        • 2.Qa6#
      • 1...Ba4
        • 2.Bd3#
      • 1...c6!
    • 1.Ra4+?
      • 1...Bxa4
        • 2.Bd3#
      • 1...Kb5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qa6#
      • 1...Kd3
        • 2.Sxe3#
      • 1...Ba4
        • 2.d3#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(a);OGATE::B(A)
    • B(a);OGATE::B(A),XB(a)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • B(a);OGATE::B(A)
      • Refutation
        • P(i);
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • B(a);OGATE::B(A)
      • Refutation
        • P(i);
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • K(e);P_SPINB(a),S_FLIGHT::R(J)+S(G),DCHECK,XP(h)
        • B(a);XP(E)::R1(F),XP(g)
        • P(i);N_GUARD::S(G)
        • B(a);::R1(F),XP(g)
      • Refutation
        • S(d);XP(E)
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • B(a);OGATE::B(A)
      • Refutation
        • P(i);
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • B(a);OGATE::B(A)
      • Refutation
        • P(i);
    • Try
      • S(G);
      • Threat
        • QAB(H)
      • Vars
        • B(a);OGATE::B(A)
      • Refutation
        • P(i);
    • Try
      • R(F);CHECK
      • Vars
        • B(a);OGATE,XR(F)::B(A)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • QAB(H)
    • Vars
      • K(e);P_SPINB(a),S_FLIGHT::R(J)+S(G),XS(c)
      • B(a);N_GUARD::P(C)
      • P(i);N_GUARD::S(G)
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