MESON Chess Problem Database

Problem Display
PID: 68943 (8/1pQp2b1/8/8/BNP4R/PPk2p1K/Rp1p4/5N2 w - - 0 1)

Kapros, Jorge Marcelo

Europe Echecs, 1996

8/1pQp2b1/8/8/BNP4R/PPk2p1K/Rp1p4/5N2

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qxe5#
    • 1...Bh6
      • 2.Qe5#
    • 1...Bf8
      • 2.Qe5#
    • 1...b1S
      • 2.Rc2#
    • 1...b1R
      • 2.Rc2#
    • 1...f2
      • 2.Qg3#
    • 1...b5
      • 2.cxb5#
    • 1...d5
      • 2.cxd5#
    • 1...d6
      • 2.Qxg7#
  • Tries
    • 1.Sxd2?
      • threat
        • 2.Sb1#
      • 1...b1Q
        • 2.Sxb1#
      • 1...b1S
        • 2.Sxb1#
        • 2.Rc2#
      • 1...b1B
        • 2.Sxb1#
      • 1...b1R
        • 2.Sxb1#
        • 2.Rc2#
      • 1...Kxd2!
    • 1.c5?
      • threat
        • 2.Rc4#
      • 1...b5
        • 2.cxb5 ep#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Bd4!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qxd2#
      • 1...b1S
        • 2.Rc2#
      • 1...d1Q
        • 2.Qxb2#
      • 1...d1S
        • 2.Qc2#
        • 2.Qd2#
      • 1...d1B
        • 2.Qxb2#
        • 2.Qd2#
      • 1...d1R
        • 2.Qxb2#
        • 2.Qc2#
      • 1...Bh6
        • 2.Qe5#
      • 1...f2
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • B(g);N_GUARD::QAB(J),XB(g)
    • B(g);N_GUARD::QAB(J)
    • P(a);OGATE::R1(B)
    • P(d);OGATEB::QAR(J)
    • P(e);OGATE::QAR(J)+P(H),XP(e)
    • P(f);OGATE::QAR(J)+P(H),XP(f)
    • P(f);OGATE::QAB(J),XB(g)
  • Tries
    • Try
      • S(A);XP(b)
      • Threat
        • S(A)
      • Vars
        • P(a);::S(A),XQ(a)
        • P(a);::S(A),XB(a)
      • Refutation
        • K(c);P_SPINP(a),S_FLIGHT,XS(A)
    • Try
      • P(H);
      • Threat
        • R1(I)
      • Vars
        • P(e);OGATE::QAR(J)+P(H),XP(e),EP
        • P(f);OGATE::QAR(J)+P(H),XP(f),EP
      • Refutation
        • B(g);
  • Actual
    • Q(J);
    • Threat
      • QAB1(J),XP(b)
    • Vars
      • P(a);OGATE::R1(B)
      • P(b);OGATE::QAB1(J),XP(a)
      • B(g);N_GUARD::QAB(J)
      • P(d);OGATEB::QAR(J)
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