MESON Chess Problem Database

Problem Display
PID: 170045 (5n2/7p/K2p4/2p3p1/2k2NQ1/1p1N4/1B6/5b2 w - - 0 1)

Gonzales, Manuel

Enroque!!, 1947

5n2/7p/K2p4/2p3p1/2k2NQ1/1p1N4/1B6/5b2

#2

5 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Kb4+
        • 2.Sfd3#
      • 1...dxe5!
    • 1.Sg6+?
      • 1...Kd5
        • 2.Se7#
      • 1...Kxd3!
    • 1.Qe6+?
      • 1...d5
        • 2.Qxd5#
      • 1...Sxe6!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Se2#
        • 2.Sg2#
        • 2.Sfd3#
        • 2.Sh3#
        • 2.Sfd5#
        • 2.Sh5#
        • 2.Se6#
        • 2.Sg6#
      • 1...Kxb4+
        • 2.Sd3#
      • 1...cxb4
        • 2.Qc8#
      • 1...gxf4
        • 2.Qxf4#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bg2
        • 2.Sxg2#
      • 1...Bd3
        • 2.Sfxd3#
      • 1...Bh3
        • 2.Sxh3#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sg6
        • 2.Sxg6#
      • 1...d5
        • 2.Sfxd5#
      • 1...h5
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);CHECK,P-FLIGHT::QAR(D)+S(C),DCHECK
      • Refutation
        • P(f);XS(B)
    • Try
      • S(C);CHECK
      • Vars
        • K(c);P_PINS(B),S_FLIGHT::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(B)
    • Try
      • Q(D);CHECK
      • Vars
        • P(f);P_SPINP(f)::QAB1(D),XP(f)
      • Refutation
        • S(h);XQ(D)
  • Actual
    • S(B);
    • Threat
      • DUALS(8)
    • Vars
      • K(c);CHECK,P-FLIGHT,XS(B)::QAR(D)+S(C),DCHECK
      • P(d);OGATEB,SBLOCK,XS(B)::QAR(D)
      • P(e);OGATE,P_SPINP(e),XS(C)::QAR(D),XP(e)
      • B(a);::QAR(D)+S(C),XB(a)
      • S(h);::QAR(D)+S(C),XS(h)
      • P(f);::QAR(D)+S(C),XP(f)
      • P(g);::QAR(D)+S(C),XP(g)
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