MESON Chess Problem Database

Problem Display
PID: 149147 (5bn1/2P5/1K1kp3/3Bp3/8/3Q4/8/8 w - - 0 1)

Dedrle, Frantisek

Casopis ceskoslovenskych sachistu, 1912

5bn1/2P5/1K1kp3/3Bp3/8/3Q4/8/8

#2

4 + 5

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Be7
      • 2.Bh1#
      • 2.Ba2#
      • 2.Bg2#
      • 2.Bb3#
      • 2.Bf3#
      • 2.Bc4#
      • 2.Be4#
      • 2.Bc6#
      • 2.Bb7#
      • 2.Ba8#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kd7
        • 2.Qxe6#
      • 1...Ke7
        • 2.Qxe6#
      • 1...exd5
        • 2.c8S#
      • 1...exf5!
    • 1.Qg6?
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kd7
        • 2.Qxe6#
      • 1...Ke7
        • 2.Qxe6#
      • 1...Sf6!
    • 1.Qa3+?
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kd7!
    • 1.c8Q?
      • threat
        • 2.Qxe6#
        • 2.Qc7#
        • 2.Qd8#
      • 1...exd5
        • 2.Qa3#
      • 1...e4
        • 2.Qxe6#
        • 2.Qc7#
      • 1...Be7
        • 2.Bh1#
        • 2.Ba2#
        • 2.Bg2#
        • 2.Bb3#
        • 2.Bf3#
        • 2.Bc4#
        • 2.Be4#
        • 2.Bc6#
        • 2.Bxe6#
        • 2.Bb7#
        • 2.Ba8#
        • 2.Qxe6#
        • 2.Qc6#
        • 2.Qc7#
      • 1...Sf6
        • 2.Qxe6#
        • 2.Qc7#
      • 1...Ke7!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Kd7
        • 2.Qxe6#
      • 1...Ke7
        • 2.Qxe6#
      • 1...exd5
        • 2.c8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(b);OGATEB,P-FLIGHT,P_SPINP(a),XB(B)::QAR2(A)
        • K(b);P-FLIGHT,P_SPINP(c)::QAB1(A),XP(c)
        • K(b);S_FLIGHT::QAR1(A),XP(c)
        • P(c);SBLOCK,XB(B)::P=S
      • Refutation
        • P(c);XQ(A)
    • Try
      • Q(A);P_PINP(c)
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XB(B)::QAR2(A)
        • K(b);N_SPINP(c),P-FLIGHT::QAB1(A),XP(c)
        • K(b);N_SPINP(c),S_FLIGHT::QAR1(A),XP(c)
      • Refutation
        • S(e);N_SPINP(c)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATEB,P-FLIGHT,XB(B)::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);P_SPINP(c),SBLOCK,XB(B)::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(c)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XB(B)::QAR2(A)
      • K(b);P-FLIGHT,P_SPINP(c)::QAB1(A),XP(c)
      • K(b);S_FLIGHT::QAR1(A),XP(c)
      • P(c);SBLOCK,XB(B)::P=S
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