MESON Chess Problem Database

Problem Display
PID: 234705 (b3k3/4B2K/2P5/3Q4/8/8/3p4/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2012

b3k3/4B2K/2P5/3Q4/8/8/3p4/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kg6?
      • threat
        • 2.Qf7#
        • 2.Qd7#
        • 2.Qd8#
      • 1...Bxc6
        • 2.Qd8#
      • 1...d1Q
        • 2.Qf7#
      • 1...d1R
        • 2.Qf7#
      • 1...Kxe7!
    • 1.Kg8?
      • threat
        • 2.Qf7#
        • 2.Qd7#
        • 2.Qd8#
      • 1...Bxc6
        • 2.Qd8#
      • 1...d1Q
        • 2.Qf7#
      • 1...d1R
        • 2.Qf7#
      • 1...Kxe7!
    • 1.Ba3?
      • threat
        • 2.Qg8#
        • 2.Qd7#
      • 1...d1Q
        • 2.Qg8#
      • 1...d1R
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bb4?
      • threat
        • 2.Qg8#
        • 2.Qd7#
      • 1...d1Q
        • 2.Qg8#
      • 1...d1R
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bh4?
      • threat
        • 2.Qg8#
      • 1...Kf8
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bc5?
      • threat
        • 2.Qg8#
        • 2.Qd7#
      • 1...d1Q
        • 2.Qg8#
      • 1...d1R
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bg5?
      • threat
        • 2.Qg8#
      • 1...Kf8
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bd6?
      • threat
        • 2.Qg8#
      • 1...Kd8
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bf6?
      • threat
        • 2.Qg8#
      • 1...Kf8
        • 2.Qg8#
      • 1...Bxc6!
    • 1.Bd8?
      • threat
        • 2.Qg8#
      • 1...Kf8
        • 2.Qg8#
      • 1...Bxc6!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Qf7#
        • 2.Qd7#
        • 2.Qd8#
      • 1...Kxe7
        • 2.Qd7#
      • 1...Bxc6
        • 2.Qd8#
      • 1...d1Q
        • 2.Qf7#
      • 1...d1R
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • B(b);XP(B)::QAR1(A)
        • P(a);::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT,XB(C)
    • Try
      • K(D);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • B(b);XP(B)::QAR1(A)
        • P(a);::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT,XB(C)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR2(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR2(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR2(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XP(B)
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • B(b);XP(B)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT,XB(C)::QAR1(A)
      • B(b);XP(B)::QAR1(A)
      • P(a);::QAB1(A)
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