MESON Chess Problem Database

Problem Display
PID: 27773 (8/pR2B3/3K2B1/4pb1r/1P1kP3/2p5/n1p1Q3/8 w - - 0 1)

Dombrovskis, Alfreds A

2nd Place, Sahs TT, 1970

8/pR2B3/3K2B1/4pb1r/1P1kP3/2p5/n1p1Q3/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Qxe4#
    • 1...Sxb4
      • 2.Rxb4#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Bc5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Sxb4
        • 2.Rxb4#
      • 1...Rh7!
    • 1.Rb5?
      • threat
        • 2.Rd5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Sxb4
        • 2.Rxb4#
      • 1...Be6!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Bc5#
      • 1...Bxe4+
        • 2.Qxe4#
      • 1...Bd7+
        • 2.Rxd7#
      • 1...Sxb4+
        • 2.Rxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,XP(C)::QAR1(A),XB(f)
    • S(a);OGATE,XP(B)::R(F),XS(a)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • B(G)
      • Vars
        • B(f);OGATE,XP(C)::QAR1(A),XB(f)
        • S(a);OGATE,XP(B)::R(F),XS(a)
      • Refutation
        • R(g);P_PINB(G)
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • B(f);OGATE,XP(C)::QAR1(A),XB(f)
        • S(a);OGATE,XP(B)::R(F),XS(a)
      • Refutation
        • B(f);
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • B(G)
    • Vars
      • B(f);CHECK,OGATE,XP(C)::QAR1(A),XB(f)
      • B(f);CHECK,N_GUARD::R(F),XB(f)
      • S(a);CHECK,OGATE,XP(B)::R(F),XS(a)
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