MESON Chess Problem Database

Problem Display
PID: 96369 (3K4/p2pQ2b/rp4p1/p2k4/N2b3r/1PR5/3R4/4n3 w - - 0 1)

Delobel, Bernard

Problemesis, 2005

3K4/p2pQ2b/rp4p1/p2k4/N2b3r/1PR5/3R4/4n3

#2

6 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Rc5#
  • Tries
    • 1.Kxd7?
      • threat
        • 2.Qe6#
      • 1...Re4
        • 2.Qd6#
      • 1...b5
        • 2.Rc5#
      • 1...Bg8!
    • 1.Sxb6+?
      • 1...Rxb6
        • 2.Rc5#
      • 1...axb6!
    • 1.Re3?
      • threat
        • 2.Qxd7#
      • 1...Kc6
        • 2.Qxd7#
      • 1...b5
        • 2.Qc5#
      • 1...d6
        • 2.Qb7#
      • 1...Re4!
    • 1.Rc4?
      • threat
        • 2.Sc3#
      • 1...Rh3
        • 2.Rdxd4#
      • 1...Sd3!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rd6#
      • 1...Kxc6
        • 2.Qxd7#
      • 1...dxc6
        • 2.Sc3#
      • 1...b5
        • 2.Rc5#
      • 1...d6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(g);N_GUARD::R1(C)
  • Tries
    • Try
      • K(F);P-FLIGHT,XP(j)
      • Threat
        • QAB1(E)
      • Vars
        • R(c);SBLOCK::QAR1(E)
        • P(g);N_GUARD::R1(C)
      • Refutation
        • B(k);
    • Try
      • S(D);CHECK,XP(g)
      • Vars
        • R(f);XS(D)::R1(C)
      • Refutation
        • P(i);XS(D)
    • Try
      • R(C);
      • Threat
        • QAR2(E),XP(j)
      • Vars
        • K(e);N_SPINB(b),S_FLIGHT::QAB1(E),XP(j)
        • P(g);N_GUARD::QAR1(E)
        • P(j);OGATE,SBLOCK::QAB(E)
      • Refutation
        • R(c);
    • Try
      • R(C);
      • Threat
        • S(D)
      • Vars
        • R(c);N_GUARD::R1(A),XB(b)
      • Refutation
        • S(a);N_SPINB(b)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(e);N_SPINB(b),S_FLIGHT,XR(C)::QAB1(E),XP(j)
      • P(j);SBLOCK,XR(C)::S(D)
      • P(g);N_GUARD::R1(C)
      • P(j);::R1(C),XP(j)
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