MESON Chess Problem Database

Problem Display
PID: 162145 (8/1N6/4pp1B/4p3/3pk2p/1P5P/4N1R1/2K2Q2 w - - 0 1)

Dreijers, Albert

Sachmatija, 2009

8/1N6/4pp1B/4p3/3pk2p/1P5P/4N1R1/2K2Q2

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sc5#
      • 2.Qf3#
  • Tries
    • 1.Sg3+?
      • 1...Kd5
        • 2.Qc4#
        • 2.Qb5#
      • 1...hxg3!
    • 1.Sf4?
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Re2#
        • 2.Qe2#
        • 2.Qd3#
      • 1...Kf5
        • 2.Sd6#
      • 1...d3
        • 2.Qxd3#
      • 1...exf4!
    • 1.Sd6+?
      • 1...Kd3
        • 2.Qd1#
        • 2.Qf3#
      • 1...Kd5!
    • 1.Rg4+?
      • 1...Kd3
        • 2.Sc5#
        • 2.Qd1#
        • 2.Qf3#
      • 1...Kd5!
  • Keys
    • 1.Qh1!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kf3
        • 2.Rh2#
      • 1...Kd5
        • 2.Rg5#
      • 1...Kf5
        • 2.Sd6#
      • 1...d3
        • 2.Rf2#
      • 1...f5
        • 2.Rg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(c);XS(C)
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);S_FLIGHT::S(H)
        • P(a);::QAB1(B),XP(a)
      • Refutation
        • P(d);XS(C)
    • Try
      • S(H);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT::S(H)
      • K(b);S_FLIGHT::QAB(B)+R(D)
      • P(a);SBLOCK::QAB(B)+R(D)
      • P(f);SBLOCK::QAB(B)+R(D)
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