MESON Chess Problem Database

Problem Display
PID: 30249 (3B4/8/8/R3p3/K3k1pP/RB1p2Q1/8/n7 w - - 0 1)

Pachl, Franz

Die Schwalbe, 2001

3B4/8/8/R3p3/K3k1pP/RB1p2Q1/8/n7

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qxe5#
  • Tries
    • 1.Bd5+?
      • 1...Kd4
        • 2.Bb6#
        • 2.Rxd3#
        • 2.Qf2#
        • 2.Qg1#
        • 2.Qxd3#
      • 1...Kf5!
    • 1.Bg5?
      • threat
        • 2.Qxg4#
      • 1...Kd4
        • 2.Qxe5#
      • 1...Kf5
        • 2.Qxd3#
      • 1...d2!
    • 1.Bb6?
      • threat
        • 2.Rxe5#
        • 2.Qxg4#
      • 1...d2
        • 2.Rxe5#
      • 1...Kf5!
    • 1.Qxd3+?
      • 1...Kf4
        • 2.Bg5#
      • 1...Kxd3!
  • Keys
    • 1.Bd1!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qxd3#
      • 1...Kf5
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAB1(C),XP(e)
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(G);
      • Threat
        • QAR2(C),XP(d)
      • Vars
        • K(c);P-FLIGHT::QAB1(C),XP(e)
        • K(c);P_SPINP(e),S_FLIGHT::QAB(C),XP(b)
      • Refutation
        • P(b);
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::R1(F),XP(e)
      • Refutation
        • K(c);P_SPINP(e),S_FLIGHT
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::B(G)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
  • Actual
    • B(B);
    • Threat
      • QAR1(C),XP(e)
    • Vars
      • K(c);P-FLIGHT::QAR1(C),XP(b)
      • K(c);P_SPINP(e),S_FLIGHT::QAB1(C),XP(d)
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