MESON Chess Problem Database

Problem Display
PID: 153110 (KQ4n1/2N1p3/2p3p1/pb5p/4k3/2PpP1RB/5Pp1/2b3r1 w - - 0 1)

Rimkus, Mecislovas

Probleemblad, 1979

KQ4n1/2N1p3/2p3p1/pb5p/4k3/2PpP1RB/5Pp1/2b3r1

#2

8 + 12

5459 Sachmatija 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...e5
        • 2.f3#
      • 1...c5!
    • 1.Qd8?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...c5
        • 2.Qd5#
      • 1...e5
        • 2.Qh4#
      • 1...Bxe3!
    • 1.Qf8?
      • threat
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Bxe3
        • 2.Rxe3#
      • 1...Sf6
        • 2.Qxe7#
      • 1...g5
        • 2.Qf5#
      • 1...e5
        • 2.Qf3#
      • 1...d2!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...c5
        • 2.Qe6#
      • 1...e5
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(e);P-FLIGHT::QAB1(H)
        • B(a);OGATE,XP(C)::QAR1(H),XB(a)
        • P(k);SBLOCK::P(A)
      • Refutation
        • P(i);
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(e);P-FLIGHT::QAB1(H)
        • P(i);N_GUARD::QAB1(H)
        • P(k);OGATE,SBLOCK::QAR(H)
      • Refutation
        • B(a);XP(C)
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(e);P-FLIGHT::QAB1(H)
        • B(a);OGATE,XP(C)::R1(D),XB(a)
        • S(l);N_GUARD::QAR(H),XP(k)
        • P(j);N_GUARD::QAB1(H)
        • P(k);SBLOCK::QAB1(H)
      • Refutation
        • P(d);
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • K(e);P-FLIGHT::QAB1(H)
      • B(a);OGATE,XP(C)::QAR1(H),XB(a)
      • P(i);OGATE::QAR2(H)
      • P(k);SBLOCK::P(A)
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