MESON Chess Problem Database

Problem Display
PID: 174845 (B6B/8/1p2Q2b/4N3/pn1ppp2/4k1pN/3p4/3K4 w - - 0 1)

Barth, Michael

Muller, Dieter

3rd Comm., Rossomakho(Y)-64 JT, 2000

B6B/8/1p2Q2b/4N3/pn1ppp2/4k1pN/3p4/3K4

#2

6 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qxb6#
    • 1...f3
      • 2.Qxh6#
  • Tries
    • 1.Sc4+?
      • 1...Kf3
        • 2.Bxe4#
      • 1...Kd3!
    • 1.Sg4+?
      • 1...Kf3
        • 2.Bxe4#
      • 1...Kd3!
    • 1.Bxe4?
      • threat
        • 2.Sc4#
        • 2.Sg4#
      • 1...b5
        • 2.Sg4#
      • 1...Kxe4!
    • 1.Qc4?
      • threat
        • 2.Qe2#
      • 1...d3
        • 2.Qxe4#
      • 1...f3
        • 2.Sg4#
      • 1...Sd3!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe2#
      • 1...d3
        • 2.Sc4#
      • 1...f3
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB::QAB(D),XP(i)
    • P(h);OGATEB::QAB(D),XB(j)
  • Tries
    • Try
      • S(C);CHECK,P_PINP(g)
      • Vars
        • K(b);P-FLIGHT::B(E),XP(g)
      • Refutation
        • K(b);N_SPINP(g),P-FLIGHT
    • Try
      • S(C);CHECK,P_PINP(g)
      • Vars
        • K(b);P-FLIGHT::B(E),XP(g)
      • Refutation
        • K(b);N_SPINP(g),P-FLIGHT
    • Try
      • B(E);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(i);::S(C)
      • Refutation
        • K(b);P-FLIGHT,XB(E)
    • Try
      • Q(D);
      • Threat
        • QAR1(D)
      • Vars
        • P(f);OGATE::QAR1(D),XP(g)
        • P(h);SBLOCK::S(C)
      • Refutation
        • S(e);
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • P(f);SBLOCK::S(C)
      • P(h);OGATE::QAR1(D),XP(g)
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