MESON Chess Problem Database

Problem Display
PID: 23861 (1BB5/4p3/1N1r2P1/4kPr1/4N1bQ/2P2R2/Kn1P2P1/2b1q3 w - - 0 1)

Gorbatenko, Yuri Grigorevich

2nd Prize, Tula-850 JT, 1997

1BB5/4p3/1N1r2P1/4kPr1/4N1bQ/2P2R2/Kn1P2P1/2b1q3

#2

12 + 8

5418 FIDE Album (1995-1997) (Annexe) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qxe1#
    • 1...Qxe4
      • 2.Qh8#
    • 1...Rxf5
      • 2.Qxe7#
    • 1...Rh5
      • 2.Qxe7#
    • 1...Bxf3
      • 2.d4#
    • 1...Bh3
      • 2.Qf4#
      • 2.d4#
    • 1...Bxf5
      • 2.Qf4#
      • 2.d4#
    • 1...Bh5
      • 2.Qf4#
      • 2.d4#
  • Tries
    • 1.Bxd6+?
      • 1...Kxe4
        • 2.Bb7#
        • 2.Qxe1#
      • 1...exd6!
    • 1.Qg3+?
      • 1...Kxe4
        • 2.Qxe1#
        • 2.Qf4#
      • 1...Qxg3!
    • 1.Qxg5?
      • threat
        • 2.Qf4#
        • 2.Qxe7#
      • 1...Kxe4
        • 2.Qf4#
      • 1...Qxd2
        • 2.Qxe7#
      • 1...Qxe4
        • 2.Qxe7#
      • 1...Bxd2
        • 2.Qxe7#
      • 1...Bxf5
        • 2.Qf4#
        • 2.Qxf5#
      • 1...Qg3
        • 2.Qxe7#
      • 1...Qh4
        • 2.Qf4#
      • 1...Qe3
        • 2.Qxe7#
      • 1...Sd3
        • 2.Qxe7#
      • 1...e6
        • 2.Qf4#
      • 1...Bxf3!
    • 1.Qh2+?
      • 1...Kxe4
        • 2.Qf4#
      • 1...Qg3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sbd7#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Rxf5
        • 2.d4#
      • 1...Bxf3
        • 2.Qd4#
      • 1...Bxf5
        • 2.Qd4#
      • 1...exf6
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • K(e);N_SPINR(g),OGATEB,P-FLIGHT,P_SPINB(d),XS(F)::QAR(G),XQ(b)
    • Q(b);SBLOCK,XS(F)::QAB(G)
    • R(f);OGATE,XP(H)::QAR2(G),XP(h)
    • R(f);OGATE::QAR2(G),XP(h)
    • B(d);XR(E)::P(B)
  • Tries
    • Try
      • B(K);CHECK,XR(g)
      • Refutation
        • P(h);XB(K)
    • Try
      • Q(G);CHECK
      • Refutation
        • Q(b);XQ(G)
    • Try
      • Q(G);XR(f)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);N_SPINR(g),P-FLIGHT,XS(F)::QAR1(G)
        • Q(b);XP(B)::QAR2(G),XP(h)
        • Q(b);SBLOCK,XS(F)::QAR2(G),XP(h)
        • B(a);XP(B)::QAR2(G),XP(h)
        • Q(b);::QAR2(G),XP(h)
        • Q(b);::QAB1(G)
        • S(c);::QAR2(G),XP(h)
        • P(h);::QAB1(G)
      • Refutation
        • B(d);XR(E)
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);N_SPINR(g),P-FLIGHT,XS(F)::QAR1(G)
      • Refutation
        • Q(b);P_SPINQ(b)
  • Actual
    • S(F);
    • Threat
      • S(I)
    • Vars
      • K(e);N_SPINR(g),OGATEB,P_SPINR(f),S_FLIGHT,XS(F)::QAB(G)
      • R(f);XP(H)::P(B)
      • B(d);OGATE,XR(E)::QAB1(G)
      • B(d);OGATE,XP(H)::QAB1(G)
      • P(h);SBLOCK,XS(F)::QAR(G),XQ(b)
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