MESON Chess Problem Database

Problem Display
PID: 99420 (2R5/q7/r1bPNb1R/3k1p1B/Pp1p1BPp/1P1Q1n2/3pN3/3K4 w - - 0 1)

Szentmartoni, Laszlo

Magyar Sakkelet, 1958

2R5/q7/r1bPNb1R/3k1p1B/Pp1p1BPp/1P1Q1n2/3pN3/3K4

#2

12 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qxf5#
    • 1...Qc5
      • 2.Sc7#
    • 1...Bg5
      • 2.Qxf3#
    • 1...Be7
      • 2.Qxf3#
    • 1...Bg7
      • 2.Qxf3#
    • 1...Bd8
      • 2.Qxf3#
    • 1...Bh8
      • 2.Qxf3#
  • Tries
    • 1.Sc3+?
      • 1...Kxe6
        • 2.Qxf5#
      • 1...bxc3!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qc4#
      • 1...Kxc5
        • 2.Qb5#
      • 1...Qxc5
        • 2.Bf7#
      • 1...Se5
        • 2.Qxd4#
      • 1...Bb5
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • K(f);N_SPINP(d),P_SPINB(j),S_FLIGHT,XS(J)::QAB1(D),XP(g)
    • Q(k);N_GUARD,SBLOCK::S(J)
    • B(j);::QAB(D),XS(b)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(f);N_SPINP(d),P_SPINB(j),S_FLIGHT,XS(J)::QAB1(D),XP(g)
      • Refutation
        • P(c);XS(B)
  • Actual
    • S(J);
    • Threat
      • QAB1(D)
    • Vars
      • K(f);N_SPINP(d),OGATEB,P-FLIGHT,P_SPINB(i),XS(J)::QAR1(D)
      • Q(k);N_GUARD,SBLOCK,XS(J)::B(H)
      • S(b);N_GUARD,S_CUTB(j)::QAR1(D),XP(d)
      • B(i);::QAB(D),XS(b)
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