MESON Chess Problem Database

Problem Display
PID: 65264 (3R1bBB/6r1/p1pqN3/R1p4r/2k5/2N3Pp/P4npP/1Q3bK1 w - - 0 1)

Gorbatenko, Yuri Grigorevich

Hlas l'udu, 1991

3R1bBB/6r1/p1pqN3/R1p4r/2k5/2N3Pp/P4npP/1Q3bK1

#2

11 + 12

4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg3
      • 2.Qb3#
    • 1...Qf4
      • 2.Qb3#
    • 1...Qe5
      • 2.Qb3#
    • 1...Qc7
      • 2.Qb3#
    • 1...Qe7
      • 2.Qb3#
    • 1...Qd2
      • 2.Qb3#
    • 1...Qd3
      • 2.Qb3#
    • 1...Qxe6
      • 2.Qb3#
    • 1...Rxg3
      • 2.Ra4#
    • 1...Rg4
      • 2.Ra4#
    • 1...Rg5
      • 2.Ra4#
    • 1...Rg6
      • 2.Ra4#
    • 1...Ra7
      • 2.Ra4#
    • 1...Rc7
      • 2.Ra4#
    • 1...Rd7
      • 2.Ra4#
    • 1...Re7
      • 2.Ra4#
    • 1...Rf7
      • 2.Ra4#
    • 1...Rh7
      • 2.Ra4#
    • 1...Rxg8
      • 2.Ra4#
    • 1...Bd3
      • 2.Qb3#
    • 1...Sd3
      • 2.Qb3#
  • Tries
    • 1.Rxc5+?
      • 1...Qxc5
        • 2.Qb3#
      • 1...Rxc5!
    • 1.Qc2?
      • threat
        • 2.Ra4#
      • 1...Kb4
        • 2.Ra4#
      • 1...Qb8
        • 2.Sd5#
      • 1...Sd3
        • 2.Qb3#
      • 1...Rb7!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qb3#
      • 1...Kxd5
        • 2.Rxc5#
      • 1...Qxg3
        • 2.Ra4#
      • 1...Qxe6
        • 2.Ra4#
      • 1...Rxg3
        • 2.Sb6#
      • 1...Qb8
        • 2.Qc2#
      • 1...Rb7
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 18
  • Sets
    • Q(j);XP(F)::QAB1(A)
    • Q(j);::QAB1(A)
    • Q(j);P_SPINQ(j),XS(H)::QAB1(A)
    • R(k);XP(F)::R(G)
    • R(k);::R(G)
    • R(k);XB(J)::R(G)
    • B(a);SBLOCK::QAB1(A)
    • S(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • R(G);CHECK,XP(f)
      • Vars
        • Q(j);XR(G)::QAB1(A)
      • Refutation
        • R(g);XR(G)
    • Try
      • Q(A);
      • Threat
        • R(G)
      • Vars
        • K(e);P-FLIGHT::R1(G)
        • Q(j);::QAR(A)+S(E)
        • S(b);SBLOCK::QAB1(A)
      • Refutation
        • R(k);
  • Actual
    • S(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);P_SPINP(f),P_SPINQ(j),S_FLIGHT,XS(E)::R1(G),XP(f)
      • Q(j);XP(F)::R(G)
      • Q(j);XS(H)::R(G)
      • R(k);XP(F)::S(E)
      • Q(j);::QAR2(A)
      • R(k);::S(E)
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