MESON Chess Problem Database

Problem Display
PID: 149548 (1n6/b1p4p/5Qp1/R1Pk4/2N2p2/4p3/1NB5/7K w - - 0 1)

Skrinnik, Oleksandr Petrovich

2nd Prize, Associazione Scacchistica Italiana, 2002-2003

1n6/b1p4p/5Qp1/R1Pk4/2N2p2/4p3/1NB5/7K

#2

7 + 8

15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Sxe3#
    • 1...c6
      • 2.Qe5#
      • 2.Qd6#
  • Tries
    • 1.Sb6+?
      • 1...cxb6
        • 2.Qd6#
        • 2.cxb6#
      • 1...Bxb6!
    • 1.Sd6?
      • threat
        • 2.Be4#
      • 1...cxd6
        • 2.Qxd6#
      • 1...Kc6!
    • 1.Bd1?
      • threat
        • 2.Bf3#
      • 1...Ke4
        • 2.Qe5#
      • 1...f3
        • 2.Bxf3#
      • 1...e2!
    • 1.Ba4?
      • threat
        • 2.Qe5#
      • 1...Sc6
        • 2.Bxc6#
      • 1...Sd7
        • 2.Bc6#
      • 1...Ke4!
    • 1.Qd8+?
      • 1...Kc6
        • 2.Be4#
      • 1...Sd7
        • 2.Qxd7#
      • 1...Ke6!
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qd3#
        • 2.Qe5#
      • 1...Kc6
        • 2.Be4#
      • 1...gxf5!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kxe6!
    • 1.Qxg6?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qd3#
      • 1...hxg6!
    • 1.Qf7+?
      • 1...Kc6
        • 2.Be4#
      • 1...Kd4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::S(D),XP(a)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • B(e);XS(D)
    • Try
      • S(D);
      • Threat
        • B(C)
      • Vars
        • P(f);OGATE,XS(D)::QAR1(G),XP(f)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • K(c);S_FLIGHT::QAR1(G)
        • P(b);::B(C),XP(b)
      • Refutation
        • P(a);
    • Try
      • B(C);
      • Threat
        • QAR1(G)
      • Vars
        • S(h);N_GUARD::B(C),XS(h)
        • S(h);N_GUARD::B(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::B(C)
        • S(h);N_GUARD,P_SPINS(h)::QAR2(G),XS(h)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::B(C)
      • Refutation
        • P(d);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(G)
      • Refutation
        • K(c);S_FLIGHT,XQ(G)
    • Try
      • Q(G);XP(d)
      • Threat
        • QAB1(G)
      • Vars
        • K(c);P-FLIGHT::QAR1(G)
      • Refutation
        • P(g);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::B(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(c);P-FLIGHT::QAB1(G)
      • K(c);S_FLIGHT::B(C)
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