MESON Chess Problem Database

Problem Display
PID: 226603 (8/8/6Q1/6p1/8/2P1K3/b7/1r2k3 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2005

8/8/6Q1/6p1/8/2P1K3/b7/1r2k3

#2

3 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Qxb1#
    • 1...Bd5
      • 2.Qxb1#
    • 1...Be6
      • 2.Qxb1#
    • 1...Bf7
      • 2.Qxb1#
    • 1...Bg8
      • 2.Qxb1#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qe2#
      • 1...Bc4
        • 2.Qxb1#
      • 1...Rb2!
    • 1.Qe4?
      • threat
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Bc4
        • 2.Qxb1#
      • 1...Bd5
        • 2.Qxb1#
      • 1...Kd1!
    • 1.Qh5?
      • threat
        • 2.Qe2#
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...g4
        • 2.Qh1#
      • 1...Rb2
        • 2.Qh1#
      • 1...Bd5
        • 2.Qe2#
      • 1...Bc4!
    • 1.Qh7?
      • threat
        • 2.Qh1#
      • 1...Kf1
        • 2.Qh1#
      • 1...Bc4
        • 2.Qxb1#
      • 1...Bd5
        • 2.Qxb1#
      • 1...Kd1!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe2#
      • 1...Kf1
        • 2.Qf2#
      • 1...Rb2
        • 2.Qc1#
      • 1...Bc4
        • 2.Qxb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(c);N_GUARD::QAR(C),XR(a)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • B(c);N_GUARD::QAR(C),XR(a)
      • Refutation
        • R(a);
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • B(c);N_GUARD::QAR(C),XR(a)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • P(d);::QAR(C)
        • R(a);::QAR(C)
        • B(c);::QAR1(C)
      • Refutation
        • B(c);
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • B(c);N_GUARD::QAR(C),XR(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • R(a);N_GUARD::QAR2(C)
      • B(c);N_GUARD::QAR(C),XR(a)
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