MESON Chess Problem Database

Problem Display
PID: 119830 (6B1/2K4b/4P3/8/PPk5/2P5/4P3/B2Q4 w - - 0 1)

Burmeister, Albert M

Nordlivlandische Zeitung, 1906

6B1/2K4b/4P3/8/PPk5/2P5/4P3/B2Q4

#2

9 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.e7#
    • 1...Bc2
      • 2.e7#
    • 1...Bd3
      • 2.e7#
  • Tries
    • 1.Kc6?
      • threat
        • 2.Qd5#
      • 1...Bd3
        • 2.exd3#
        • 2.e7#
      • 1...Be4+!
    • 1.Kd6?
      • threat
        • 2.Qd5#
      • 1...Bd3
        • 2.exd3#
        • 2.e7#
      • 1...Be4!
    • 1.Qb1?
      • threat
        • 2.Qa2#
      • 1...Bxb1
        • 2.e7#
      • 1...Bc2
        • 2.e7#
      • 1...Kd5!
    • 1.Qd2?
      • threat
        • 2.Qa2#
      • 1...Bb1
        • 2.e7#
      • 1...Bc2
        • 2.e7#
      • 1...Kb3!
    • 1.Qd3+?
      • 1...Bxd3
        • 2.e7#
      • 1...Kb3!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qa2#
      • 1...Kd5
        • 2.c4#
      • 1...Bxc2
        • 2.e7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::B(I)+P(G)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Threat
        • QAB1(B)
      • Refutation
        • B(b);CHECK
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB1(B)
      • Refutation
        • B(b);
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Vars
        • B(b);N_GUARD,XQ(B)::B(I)+P(G)
        • B(b);N_GUARD::B(I)+P(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Vars
        • B(b);N_GUARD::B(I)+P(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • B(b);XQ(B)::B(I)+P(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB(B)
    • Vars
      • K(a);OGATE,S_FLIGHT::P(D)
      • B(b);N_GUARD,XQ(B)::B(I)+P(G)
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