MESON Chess Problem Database

Problem Display
PID: 231053 (8/B7/8/8/3rk1BK/Q7/2p5/8 w - - 0 1)

Bakaev, IA

Kudesnik, 2003

8/B7/8/8/3rk1BK/Q7/2p5/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qe3#
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qe6#
      • 1...Kxe3!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qxd4#
      • 1...Kd3
        • 2.Qxd4#
      • 1...Ke3
        • 2.Qxd4#
      • 1...Kf4
        • 2.Qxd4#
      • 1...Rd1
        • 2.Qf5#
      • 1...Rd2
        • 2.Qf5#
      • 1...Rd3
        • 2.Qf5#
      • 1...Ra4
        • 2.Qf5#
      • 1...Rb4
        • 2.Qf5#
      • 1...Rc4
        • 2.Qf5#
      • 1...Rd5
        • 2.Qe3#
      • 1...Rd6
        • 2.Qf5#
      • 1...Rd7
        • 2.Qf5#
      • 1...Rd8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATE,P_PINB(B),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT,P_PINB(B),P_SPINR(b),XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XR(b)
    • Vars
      • K(c);P_PINB(B),S_FLIGHT::QAR1(A),XR(b)
      • K(c);P-FLIGHT,P_PINB(B),P_SPINR(b)::QAB1(A),XR(b)
      • K(c);P-FLIGHT::QAR2(A),XR(b)
      • R(b);::QAB1(A)
      • R(b);SBLOCK::QAB1(A)
      • R(b);OGATE,SBLOCK::QAR1(A)
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