MESON Chess Problem Database

Problem Display
PID: 179211 (8/8/pK1N1B2/2Pk1P2/8/3p4/1pP1PN2/1rq1r3 w - - 0 1)

Miloseski, Bosko

Sayman, Umut

Phenix, 2015

8/8/pK1N1B2/2Pk1P2/8/3p4/1pP1PN2/1rq1r3

#2

8 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.c4#
    • 1...Qe3
      • 2.c4#
    • 1...Qg5
      • 2.c4#
    • 1...Qh6
      • 2.c4#
    • 1...Qd1
      • 2.c4#
    • 1...Rd1
      • 2.e4#
    • 1...Rf1
      • 2.e4#
    • 1...Rg1
      • 2.e4#
    • 1...Rh1
      • 2.e4#
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Sb4#
      • 1...Qd2
        • 2.c4#
      • 1...Qf4
        • 2.Sxf4#
      • 1...a5!
    • 1.Sfe4?
      • threat
        • 2.Sc3#
      • 1...Qd2
        • 2.c4#
      • 1...Qxc2!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Sc3#
      • 1...Qxd1
        • 2.c4#
      • 1...Qxc2
        • 2.Se3#
      • 1...Rxd1
        • 2.e4#
      • 1...Qd2
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::P(A)
    • Q(b);N_GUARD,P_PINP(D)::P(A)
    • R(c);N_GUARD::P(B)
  • Tries
    • Try
      • S(C);XP(e)
      • Threat
        • S(C)
      • Vars
        • Q(b);N_GUARD::P(A)
        • Q(b);N_GUARD::S(C),XQ(b)
      • Refutation
        • P(g);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • Q(b);N_GUARD::P(A)
      • Refutation
        • Q(b);XP(A)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • Q(b);N_GUARD,XS(C)::P(A)
      • Q(b);N_GUARD,XP(A)::S(C)
      • R(c);N_GUARD,XS(C)::P(B)
      • Q(b);N_GUARD::P(A)
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