MESON Chess Problem Database

Problem Display
PID: 110803 (6N1/8/2p5/2K2B2/4Pk2/7Q/8/8 w - - 0 1)

St Maurice, Charles-Ephrem

Detroit Free Press, 1907

6N1/8/2p5/2K2B2/4Pk2/7Q/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qh2#
      • 2.Qg3#
    • 1...Kg5
      • 2.Qg4#
      • 2.Qh6#
  • Tries
    • 1.Kc4?
      • 1...Ke5
        • 2.Qh2#
        • 2.Qg3#
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...c5!
    • 1.Kd4?
      • threat
        • 2.Qg4#
        • 2.Qe3#
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...c5+!
    • 1.Kxc6?
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...Ke5!
    • 1.Kd6?
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...c5!
    • 1.Be6?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...Kxe4!
    • 1.Bd7?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...Kxe4!
    • 1.Bh7?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5!
    • 1.Bc8?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5
        • 2.Qg4#
        • 2.Qh6#
      • 1...Kxe4!
    • 1.Qg2?
      • 1...Ke5
        • 2.Qh2#
        • 2.Qg3#
      • 1...Ke3!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Qg3#
      • 1...Ke3!
    • 1.Qa3?
      • 1...Ke5
        • 2.Qg3#
      • 1...Kg5!
    • 1.Qb3?
      • 1...Ke5
        • 2.Qg3#
        • 2.Qb8#
      • 1...Kg5!
    • 1.Qd3?
      • 1...Ke5
        • 2.Qg3#
        • 2.Qd6#
      • 1...Kg5!
    • 1.Qe3+?
      • 1...Ke5
        • 2.Qg3#
      • 1...Kxe3!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Qg3#
      • 1...Kg5
        • 2.Qg4#
      • 1...Kxf3!
    • 1.e5?
      • 1...Kg5
        • 2.Qg4#
      • 1...Kxe5!
  • Keys
    • 1.Bg6!
      • 1...Ke5
        • 2.Qf5#
      • 1...Kg5
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • P(b);
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • P(b);CHECK
    • Try
      • K(C);P-FLIGHT,XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XP(B)
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAR2(A)
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