MESON Chess Problem Database

Problem Display
PID: 265984 (1K3B2/8/2P5/3k4/P1b2PQ1/3pPp2/3P4/1R3B2 w - - 0 1)

Abramenko, Harry K

Marandiuk, Mikhail Nazarovich

Die Schwalbe, 1973

1K3B2/8/2P5/3k4/P1b2PQ1/3pPp2/3P4/1R3B2

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Bg2#
  • Tries
    • 1.Rc1?
      • 1...Kxc6
        • 2.Qe6#
      • 1...Ba2
        • 2.Qf5#
      • 1...Bb3
        • 2.Qf5#
      • 1...Bb5
        • 2.Qf5#
      • 1...Ba6
        • 2.Qf5#
      • 1...f2
        • 2.Bg2#
      • 1...Ke4!
    • 1.Rb4?
      • 1...Ke4
        • 2.Qe6#
      • 1...Ba2
        • 2.Qd7#
      • 1...Bb3
        • 2.Qd7#
      • 1...Bb5
        • 2.Qd7#
      • 1...Ba6
        • 2.Qd7#
      • 1...f2
        • 2.Bg2#
      • 1...Kxc6!
    • 1.Rb5+?
      • 1...Ke4
        • 2.Re5#
        • 2.Qf5#
        • 2.Qg6#
        • 2.f5#
      • 1...Kxc6
        • 2.Qc8#
      • 1...Bxb5!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Qxf3#
        • 2.Qe6#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Ba2
        • 2.Qe6#
      • 1...Bb3
        • 2.Qe6#
      • 1...Bb5
        • 2.Qe6#
      • 1...Ba6
        • 2.Qe6#
      • 1...f2
        • 2.Bg2#
        • 2.Qf3#
        • 2.Qe6#
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB::B(B)
  • Tries
    • Try
      • R(A);
      • Vars
        • K(d);N_GUARD,P_SPINB(c),S_FLIGHT,XP(H)::QAR2(G)
        • B(c);::QAR2(G)
        • P(b);OGATEB::B(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(d);N_GUARD,P_SPINB(c),S_FLIGHT::QAR2(G)
        • B(c);::QAR2(G)
        • P(b);OGATEB::B(B)
      • Refutation
        • K(d);S_FLIGHT,XP(H)
    • Try
      • R(A);CHECK
      • Vars
        • K(d);N_GUARD,S_CUTB(c),S_FLIGHT,XP(H)::QAR2(G)
      • Refutation
        • B(c);XR(A)
  • Actual
    • B(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);N_GUARD,S_FLIGHT::QAB1(G)
      • K(d);N_GUARD,S_FLIGHT,XP(H)::QAB1(G)
      • B(c);::QAB1(G)
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