MESON Chess Problem Database

Problem Display
PID: 200836 (8/1K6/7B/6R1/B3p3/1R2n3/1bb2Q2/3k3r w - - 0 1)

Bylevski, Aleksandr

Sachova skladba, 1989

8/1K6/7B/6R1/B3p3/1R2n3/1bb2Q2/3k3r

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Rb1#
    • 1...Bc3
      • 2.Rb1#
    • 1...Bd4
      • 2.Rb1#
    • 1...Be5
      • 2.Rb1#
    • 1...Bf6
      • 2.Rb1#
    • 1...Bg7
      • 2.Rb1#
    • 1...Bh8
      • 2.Rb1#
  • Tries
    • 1.Rg1+?
      • 1...Sf1
        • 2.Qxf1#
        • 2.Qd2#
      • 1...Rxg1!
  • Keys
    • 1.Rg2!
      • threat
        • 2.Qd2#
      • 1...Kc1
        • 2.Qxc2#
      • 1...Bc1
        • 2.Qe2#
      • 1...Bc3
        • 2.Rb1#
      • 1...Sf1
        • 2.Qe2#
      • 1...Sc4
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(c);OGATE::R(B)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • R(b);XR(D)
  • Actual
    • R(D);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);P-FLIGHT,P_SPINS(e)::QAR1(A),XB(d)
      • B(c);SBLOCK::QAB1(A)
      • B(c);OGATE::R(B)
      • S(e);::QAB1(A)
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