MESON Chess Problem Database

Problem Display
PID: 259881 (2Nr2n1/8/R4Bp1/P2k2Pq/8/1Pp4p/1bPNnQb1/1K5B w - - 0 1)

Garzon Roger, Jose Antonio

Tolosa-100 MT (Problemas), 2016

2Nr2n1/8/R4Bp1/P2k2Pq/8/1Pp4p/1bPNnQb1/1K5B

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Rxd6#
    • 1...Re8
      • 2.Rd6#
    • 1...Rf8
      • 2.Rd6#
    • 1...Be4
      • 2.Bxe4#
    • 1...Sc1
      • 2.Qd4#
    • 1...Sg1
      • 2.Qd4#
    • 1...Sg3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sf4
      • 2.Qd4#
    • 1...Sh6
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
  • Tries
    • 1.Bxg2+?
      • 1...Qf3
        • 2.Bxf3#
      • 1...hxg2!
    • 1.Qb6?
      • threat
        • 2.Qb5#
        • 2.Qc6#
      • 1...Rxc8
        • 2.Qd6#
      • 1...cxd2
        • 2.Qc6#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Ba3
        • 2.Qc6#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se7
        • 2.Sxe7#
        • 2.Qb5#
      • 1...Sxf6!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qe5#
      • 1...Qxg5
        • 2.Qxg5#
      • 1...Sxf6
        • 2.Se7#
      • 1...cxd2
        • 2.c4#
      • 1...Re8
        • 2.Rd6#
      • 1...Be4
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(i);N_GUARD::R1(I),XR(i)
    • R(i);N_GUARD::R1(I)
    • B(c);OGATE,P_PINP(C)::B(B),XB(c)
    • S(b);N_GUARD::QAR1(E)
    • S(b);N_GUARD::QAR1(E),XS(b)
    • S(j);N_GUARD::S(K)
    • S(j);N_GUARD::S(K),XS(j)
  • Tries
    • Try
      • B(B);CHECK,XB(c)
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g)::B(B),XQ(g)
      • Refutation
        • P(e);XB(B)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(i);N_GUARD,XS(K)::QAR1(E)
        • P(d);XS(D)::QAB1(E)
        • R(i);N_GUARD::QAR1(E),XR(i)
        • B(a);::QAB1(E)
        • S(b);N_GUARD::QAR1(E),XS(b)
      • Refutation
        • S(j);XB(J)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • Q(g);OGATE,XP(H)::QAR(E),XQ(g)
      • S(j);N_GUARD,XB(J)::S(K)
      • P(d);OGATE,XS(D)::P(C)
      • R(i);N_GUARD::R1(I)
      • B(c);OGATE,P_PINP(C)::B(B),XB(c)
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