MESON Chess Problem Database

Problem Display
PID: 276721 (8/8/8/8/Q3K3/8/P7/rkB5 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Seven Chess Notes, 2006

8/8/8/8/Q3K3/8/P7/rkB5

#2

4 + 2

15601 Albrecht-Leiss-Degener Collection 2024
3713 Snap 2024

SOLUTION

  • SOUND
  • Tries
    • 1.Kd3?
      • threat
        • 2.Qc2#
      • 1...Kxc1
        • 2.Qc2#
      • 1...Rxa2!
    • 1.Bd2?
      • threat
        • 2.Qb3#
      • 1...Kb2
        • 2.Qb3#
      • 1...Rxa2!
    • 1.Ba3?
      • threat
        • 2.Qb3#
      • 1...Rxa2
        • 2.Qd1#
      • 1...Kxa2!
    • 1.Be3?
      • threat
        • 2.Qb3#
      • 1...Kb2
        • 2.Qb3#
      • 1...Rxa2!
    • 1.Bf4?
      • threat
        • 2.Qb3#
      • 1...Kb2
        • 2.Qb3#
      • 1...Rxa2!
    • 1.Bg5?
      • threat
        • 2.Qb3#
      • 1...Kb2
        • 2.Qb3#
      • 1...Rxa2!
    • 1.Bh6?
      • threat
        • 2.Qb3#
      • 1...Kb2
        • 2.Qb3#
      • 1...Rxa2!
    • 1.Qc6?
      • 1...Kxa2
        • 2.Qc2#
      • 1...Rxa2!
  • Keys
    • 1.Qd1!
      • 1...Kxa2
        • 2.Qc2#
      • 1...Rxa2
        • 2.Ba3#

Anticipated by 245572(1998)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • QAB1(C)
      • Vars
        • K(b);P-FLIGHT,XB(A)::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • R(a);SBLOCK,XP(B)::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT,XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • B(A);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XP(B)
    • Try
      • Q(C);
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XP(B)::QAR2(C)
      • Refutation
        • R(a);XP(B)
  • Actual
    • Q(C);
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XP(B)::QAR2(C)
      • R(a);SBLOCK,XP(B)::QAR(C)+B(A)
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