MESON Chess Problem Database

Problem Display
PID: 200163 (4N3/3npp2/2p2r2/NRr1k1p1/R7/p3pP2/B3P3/1QK3B1 w - - 0 1)

Savournin, Jacques

Phenix, 1994

4N3/3npp2/2p2r2/NRr1k1p1/R7/p3pP2/B3P3/1QK3B1

#2

10 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf4
        • 2.Bh2#
      • 1...Rf4
        • 2.Sxc6#
      • 1...Rxf3!
    • 1.Rc4?
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6
        • 2.Rcxc5#
      • 1...Rf4!
  • Keys
    • 1.Sc4+!
      • 1...Kd4
        • 2.Qd3#
      • 1...Kf4
        • 2.Bh2#
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6
        • 2.Sc7#

This is after

After M. Rittirsch.

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • B(D);P_SPINB(D)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);N_SPINR(c),P_SPINP(b),S_FLIGHT::QAB(A)
        • K(d);N_SPINR(c),S_FLIGHT::B(C)
        • R(g);N_GUARD,SBLOCK::S(H),XP(f)
      • Refutation
        • R(g);XP(F)
    • Try
      • R(G);P_SPINR(G)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
        • K(d);N_SPINR(c),P-FLIGHT::B(D)+R(G),XR(c)
      • Refutation
        • R(g);
  • Actual
    • S(H);CHECK,P_SPINS(H)
    • Vars
      • K(d);N_SPINR(c),P_SPINP(b),S_FLIGHT::QAR1(A)
      • K(d);N_SPINR(c),S_FLIGHT::B(C)
      • K(d);P-FLIGHT::QAB1(A)
      • K(d);N_SPINR(c),P-FLIGHT::S(J)
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