MESON Chess Problem Database

Problem Display
PID: 204970 (5r2/4p1pr/2p2P1p/4Nk1p/4b1NB/4R1PB/5K1P/3Q4 w - - 0 1)

Janevski, Zivko

Sachova skladba, 2014

5r2/4p1pr/2p2P1p/4Nk1p/4b1NB/4R1PB/5K1P/3Q4

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qd7#
    • 1...Bb1
      • 2.Sxh6#
    • 1...Bh1
      • 2.Sxh6#
    • 1...Bc2
      • 2.Sxh6#
    • 1...Bg2
      • 2.Sxh6#
    • 1...Bd3
      • 2.Sxh6#
    • 1...Bf3
      • 2.Sxh6#
    • 1...Bd5
      • 2.Sxh6#
    • 1...exf6
      • 2.Qd7#
  • Tries
    • 1.Sxc6?
      • threat
        • 2.Sge5#
      • 1...Ke6
        • 2.Sxh6#
      • 1...Kg6
        • 2.Sge5#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Bg2
        • 2.Sxe7#
      • 1...Bf3
        • 2.Sxe7#
      • 1...e5
        • 2.Sgxe5#
      • 1...g5!
    • 1.Rf3+?
      • 1...Ke6
        • 2.Qd7#
      • 1...Bxf3!
    • 1.Qf3+?
      • 1...Bxf3
        • 2.Sxh6#
      • 1...Ke6!
    • 1.Qd4?
      • threat
        • 2.Sxh6#
      • 1...Ke6
        • 2.Qd7#
      • 1...hxg4
        • 2.Bxg4#
      • 1...g5!
    • 1.Qd6?
      • threat
        • 2.Sxh6#
      • 1...hxg4
        • 2.Bxg4#
      • 1...exd6!
  • Keys
    • 1.Sg6!
      • threat
        • 2.S4e5#
      • 1...Ke6
        • 2.Sxh6#
      • 1...Kxg6
        • 2.Se5#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Bg2
        • 2.Sxe7#
      • 1...Bf3
        • 2.Sxe7#
      • 1...e5
        • 2.S4xe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • K(b);P_PINP(J),S_FLIGHT::QAB1(A)
    • B(a);::B(F)+S(G),DCHECK,XP(e)
    • P(f);N_GUARD,XP(J)::QAB(A)
  • Tries
    • Try
      • S(I);XP(d)
      • Threat
        • B(F)+S(G)
      • Vars
        • K(b);P_PINP(J),P_SPINB(a),S_FLIGHT::B(F)+S(G),XP(e)
        • K(b);P_PINP(J),S_FLIGHT::S(G)
        • P(c);OGATE,P_SPINP(c),XS(G)::QAB1(A),XP(c)
        • B(a);::S(I),XP(f)
        • P(f);::B(F)+S(G),XP(f)
      • Refutation
        • P(g);
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • B(a);XR(D)
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);XQ(A)::B(F)+S(G),DCHECK,XP(e)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(F)+S(G),DCHECK,XP(e)
      • Vars
        • K(b);P_PINP(J),S_FLIGHT::QAB1(A)
        • P(c);OGATE,P_SPINP(c),XS(G)::B(F),XP(c)
      • Refutation
        • P(g);
    • Try
      • Q(A);
      • Threat
        • B(F)+S(G),DCHECK,XP(e)
      • Vars
        • P(c);OGATE,P_SPINP(c),XS(G)::B(F),XP(c)
      • Refutation
        • P(f);XQ(A)
  • Actual
    • S(I);
    • Threat
      • B(F)+S(G)
    • Vars
      • K(b);P_PINP(J),P_SPINB(a),S_FLIGHT::B(F)+S(G),XP(e)
      • K(b);P_PINP(J),S_FLIGHT,XS(I)::S(G)
      • P(c);OGATE,P_SPINP(c),XS(G)::QAB1(A),XP(c)
      • B(a);::S(I),XP(f)
      • P(f);::B(F)+S(G),XP(f)
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Developed and maintained by Brian Stephenson.
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