MESON Chess Problem Database

Problem Display
PID: 39729 (8/2n5/6K1/8/3Bkp2/1B6/5Q2/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/2n5/6K1/8/3Bkp2/1B6/5Q2/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Bc2#
    • 1...f3
      • 2.Qe3#
  • Tries
    • 1.Ba1?
      • threat
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#
      • 1...Kd3!
    • 1.Bb2?
      • threat
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#
      • 1...Kd3!
    • 1.Bc5?
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5
        • 2.Qe1#
        • 2.Qd4#
        • 2.Qe2#
      • 1...f3
        • 2.Qe3#
        • 2.Qd4#
      • 1...Sd5!
    • 1.Bb6?
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5
        • 2.Qd4#
      • 1...f3
        • 2.Qe3#
        • 2.Qd4#
      • 1...Sd5!
    • 1.Bf6?
      • threat
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#
      • 1...Kd3!
    • 1.Ba7?
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5
        • 2.Qd4#
      • 1...f3
        • 2.Qe3#
        • 2.Qd4#
      • 1...Sd5!
    • 1.Bg7?
      • threat
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#
      • 1...Kd3!
    • 1.Bh8?
      • threat
        • 2.Qe2#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#
      • 1...Kd3!
    • 1.Qxf4+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxf4!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qe2#
      • 1...Kd3
        • 2.Qf3#
      • 1...f3
        • 2.Qd4#
      • 1...Sd5
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::B(B)
    • P(b);N_GUARD::QAR1(A)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);SBLOCK::QAR1(A)
        • S(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);SBLOCK::QAR1(A)
        • S(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • S(c);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • S(c);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);SBLOCK::QAR1(A)
        • S(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • S(c);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);SBLOCK::QAR1(A)
        • S(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • P(b);SBLOCK::QAR1(A)
        • S(c);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • B(C);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • P(b);SBLOCK::QAR1(A)
      • S(c);SBLOCK::B(B)
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