MESON Chess Problem Database

Problem Display
PID: 145413 (3Q4/2Bp2n1/3b2p1/1R2P1P1/5kP1/1B3pR1/5N2/5NK1 w - - 0 1)

Richter, Frank

2nd HM., Freie Presse, 2006

3Q4/2Bp2n1/3b2p1/1R2P1P1/5kP1/1B3pR1/5N2/5NK1

#2

11 + 6

23 Die Schwalbe 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bb4
      • 2.Rxb4#
    • 1...Bxe5
      • 2.Bxe5#
      • 2.Rb4#
    • 1...Se6
      • 2.Qf6#
  • Tries
    • 1.Bxd6?
      • threat
        • 2.Rb4#
        • 2.e6#
      • 1...Se6
        • 2.Qf6#
      • 1...Se8
        • 2.Rb4#
      • 1...Sf5!
    • 1.Rb4+?
      • 1...Kxe5
        • 2.Sd3#
        • 2.Re4#
        • 2.Qf6#
      • 1...Bxb4!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Bc5
        • 2.Rxf3#
      • 1...Be7
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::R(G),XB(c)
    • S(f);N_GUARD::QAR2(K)
  • Tries
    • Try
      • B(J);XB(c)
      • Threat
        • DUALS(2)
      • Vars
        • S(f);N_GUARD::QAR2(K)
        • S(f);::R(G)
      • Refutation
        • S(f);
    • Try
      • R(G);CHECK
      • Refutation
        • B(c);XR(G)
  • Actual
    • B(D);
    • Threat
      • S(C)
    • Vars
      • K(b);P_SPINB(c),S_FLIGHT,XP(H)::QAB1(K)
      • B(c);P_PINS(C)::R1(E),XP(a)
      • B(c);::S(C)
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