MESON Chess Problem Database

Problem Display
PID: 19063 (8/8/6K1/4k3/RB3N2/6Q1/8/3nn3 w - - 0 1)

Havel, Miroslav

Besedy lidu, 1912

8/8/6K1/4k3/RB3N2/6Q1/8/3nn3

#2

5 + 3

6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bd6#
    • 1...Ke4
      • 2.Bc3#
      • 2.Bd6#
    • 1...Sb2
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
  • Tries
    • 1.Ba3?
      • threat
        • 2.Qg5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf3!
    • 1.Bc5?
      • threat
        • 2.Qg5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf3!
    • 1.Be7?
      • threat
        • 2.Qg5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf3!
    • 1.Bf8?
      • threat
        • 2.Qg5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf3!
    • 1.Qxe1+?
      • 1...Kd4
        • 2.Ba3#
        • 2.Bd6#
        • 2.Be7#
        • 2.Bf8#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kxf4!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Ba3#
        • 2.Ba5#
        • 2.Bc5#
        • 2.Bd6#
        • 2.Be7#
        • 2.Bf8#
      • 1...Kxf4
        • 2.Ba3#
        • 2.Ba5#
        • 2.Bc5#
        • 2.Bd6#
        • 2.Be7#
        • 2.Bf8#
      • 1...Sxc3!
    • 1.Qd3?
      • threat
        • 2.Bd6#
      • 1...Kxf4
        • 2.Bc3#
        • 2.Bd6#
      • 1...Sxd3!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Bd2#
      • 1...Ke4!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Bd6#
      • 1...Kd4
        • 2.Bd6#
      • 1...Ke4
        • 2.Bd6#
      • 1...Kxf4
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT::R(B)+B(C)
    • S(a);N_GUARD::QAR2(A)
    • S(a);N_GUARD::QAR2(A),XS(a)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
      • Refutation
        • S(b);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
      • Refutation
        • S(b);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
      • Refutation
        • S(b);
    • Try
      • B(C);
      • Threat
        • QAR2(A)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
      • Refutation
        • S(b);
    • Try
      • Q(A);CHECK,XS(b)
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAR2(A),XS(a)
      • Refutation
        • K(c);S_FLIGHT,XS(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • B(C)
      • Refutation
        • S(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::R(B)+B(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • B(C)
    • Vars
      • K(c);S_FLIGHT::R(B)+B(C)
      • K(c);P-FLIGHT::R(B)+B(C)
      • K(c);S_FLIGHT,XS(D)::R(B)+B(C),DCHECK
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