MESON Chess Problem Database

Problem Display
PID: 27909 (8/3N4/BK1p4/R2pp3/bk1Bp3/prnRP3/Q7/8 w - - 0 1)

Dombrovskis, Alfreds A

Magyar Sakkelet, 1972

8/3N4/BK1p4/R2pp3/bk1Bp3/prnRP3/Q7/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Bxc3#
    • 1...Rb2
      • 2.Bxc3#
    • 1...exd4
      • 2.Rxd4#
  • Tries
    • 1.Qxb3+?
      • 1...Bxb3
        • 2.Bxc3#
      • 1...Kxb3!
  • Keys
    • 1.Sc5!
      • 1...Sxa2
        • 2.Rxa4#
      • 1...exd3
        • 2.Sxd3#
      • 1...exd4
        • 2.Rxd4#
      • 1...dxc5
        • 2.Bxc5#
      • 1...Bb5
        • 2.Qxb3#
      • 1...Sb5
        • 2.Rxa4#
      • 1...Rb1
        • 2.Bxc3#
      • 1...Rb2
        • 2.Bxc3#
      • 1...Bc6
        • 2.Qxb3#
      • 1...Bd7
        • 2.Qxb3#
      • 1...Be8
        • 2.Qxb3#
      • 1...Sb1
        • 2.Rxa4#
      • 1...Sd1
        • 2.Rxa4#
      • 1...Se2
        • 2.Rxa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::B(D),XS(c)
    • P(h);OGATE,XB(D)::R(B),XP(h)
  • Tries
    • Try
      • Q(A);CHECK,XR(b)
      • Vars
        • B(d);SBLOCK,XQ(A)::B(D),XS(c)
      • Refutation
        • K(e);P-FLIGHT,P_SPINS(c),XQ(A)
  • Actual
    • S(H);
    • Vars
      • S(c);N_GUARD,XQ(A)::R1(E),XB(d)
      • P(f);XR(B)::S(H),XP(f)
      • P(h);OGATE,XB(D)::R(B),XP(h)
      • P(i);OGATE,XS(H)::B(D),XP(i)
      • B(d);N_GUARD::QAR1(A),XR(b)
      • S(c);N_GUARD::R1(E),XB(d)
      • R(b);N_GUARD::B(D),XS(c)
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