MESON Chess Problem Database

Problem Display
PID: 96768 (8/8/4K3/1pp1N2p/2p1k1p1/1p2P2p/8/2b1QN1n w - - 0 1)

Tritten, Pierre

Problemesis, 2006

8/8/4K3/1pp1N2p/2p1k1p1/1p2P2p/8/2b1QN1n

#2

5 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sd2#
      • 2.Qb1#
    • 1...Bd2
      • 2.Sxd2#
      • 2.Qb1#
    • 1...Ba3
      • 2.Sd2#
      • 2.Qb1#
    • 1...Bxe3
      • 2.Qxe3#
    • 1...Sf2
      • 2.Sg3#
    • 1...Sg3
      • 2.Sxg3#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Qf4#
        • 2.Qf5#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Sg3
        • 2.Sxg3#
        • 2.Qf4#
      • 1...Sxf2!
    • 1.Qg3?
      • threat
        • 2.Qf4#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Sxg3!
    • 1.Qxc1?
      • threat
        • 2.Qb1#
      • 1...Sf2
        • 2.Sg3#
      • 1...c3!
    • 1.Qd1?
      • threat
        • 2.Qd5#
      • 1...Bd2
        • 2.Qb1#
      • 1...Bxe3!
  • Keys
    • 1.Qe2!
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Bb2
        • 2.Sd2#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Ba3
        • 2.Sd2#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sg3
        • 2.Sxg3#
      • 1...b2
        • 2.Qc2#
      • 1...h2
        • 2.Qg2#
      • 1...c3
        • 2.Qd3#
      • 1...g3
        • 2.Qf3#
      • 1...b4
        • 2.Qxc4#
      • 1...h4
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE,P_SPINB(a),XP(C)::QAR1(A),XB(a)
    • S(b);N_GUARD::S(B)
    • S(b);N_GUARD::S(B),XS(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,XP(C)::QAR1(A),XB(a)
      • Refutation
        • S(b);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(a);OGATE,XP(C)::QAR1(A),XB(a)
      • Refutation
        • S(b);XQ(A)
    • Try
      • Q(A);XB(a)
      • Threat
        • QAB(A)
      • Vars
        • S(b);N_GUARD::S(B)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);OGATE::QAB(A)
      • Refutation
        • B(a);XP(C)
  • Actual
    • Q(A);
    • Vars
      • B(a);OGATE,P_SPINB(a),XP(C)::QAR1(A),XB(a)
      • B(a);N_GUARD::S(B)
      • B(a);N_GUARD::S(B),XB(a)
      • S(b);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
      • P(c);N_GUARD::QAB(A)
      • P(d);N_GUARD::QAB(A)
      • P(e);N_GUARD::QAB1(A)
      • P(g);N_GUARD::QAB1(A)
      • P(h);N_GUARD::QAR2(A),XP(e)
      • P(j);N_GUARD::QAR2(A),XP(g)
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