MESON Chess Problem Database
Problem Display
PID: 62934 (1B2n3/7q/2N1P2p/P1k1N2Q/P4n2/5B2/3R2bK/8 w - - 0 1)
Lobusov, Andrey Jakovlevic
1st Place, Moscow Championship, 1980-1981
#2
10 + 6
| 3752 | FIDE Album (1980-1982) | 1988 |
| 133 | The Problemist Supplement | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Ba7#
- 2.Rxc2#
- 1...Qe4
- 2.Ba7#
- 1...Qf5
- 2.Ba7#
- 1...Qg6
- 2.Ba7#
- 1...Qg8
- 2.Ba7#
- 2.Rc2#
- 1...Qa7
- 2.Bxa7#
- 2.Rc2#
- 1...Qb7
- 2.Rc2#
- 1...Qd7
- 2.Rc2#
- 1...Qe7
- 2.Rc2#
- 1...Qf7
- 2.Rc2#
- 1...Qg7
- 2.Rc2#
- 1...Qh8
- 2.Ba7#
- 2.Rc2#
- 1...Se2
- 2.Rd5#
- 1...Sd3
- 2.Rc2#
- 1...Sh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sxh5
- 2.Rd5#
- 1...Sxe6
- 2.Rd5#
- 1...Sg6
- 2.Rc2#
- 2.Rd5#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bd6#
- 1...Sc7
- 2.Ba7#
- 1...Sg7
- 2.Bd6#
- 2.Ba7#
- 1...Qc2
- Tries
- 1.Sg6+?
- 1...Sd5
- 2.Rc2#
- 2.Qxd5#
- 1...Sxh5
- 2.Rc2#
- 1...Kc4!
- 1...Sd5
- 1.Rd4?
- threat
- 2.Sd3#
- 2.Sd7#
- 2.Rc4#
- 1...Sxh5
- 2.Rc4#
- 2.Rd5#
- 1...Qc2
- 2.Sd3#
- 2.Sd7#
- 2.Ba7#
- 1...Qd3
- 2.Sxd3#
- 2.Sd7#
- 2.Ba7#
- 1...Qe4
- 2.Ba7#
- 1...Qf5
- 2.Sd7#
- 2.Ba7#
- 2.Rc4#
- 1...Qc7
- 2.Sd3#
- 2.Sd7#
- 1...Qd7
- 2.Sd3#
- 2.Sxd7#
- 2.Rc4#
- 1...Bf1
- 2.Sd3#
- 2.Sd7#
- 1...Sd3
- 2.Sxd3#
- 2.Sd7#
- 2.Rc4#
- 2.Rd5#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 1...Sd6
- 2.Sd3#
- 2.Sd7#
- 2.Bxd6#
- 1...Sc7
- 2.Sd3#
- 2.Sd7#
- 2.Ba7#
- 1...Bxf3!
- threat
- 1.Qf7?
- threat
- 2.Ba7#
- 1...Qxf7
- 2.Rc2#
- 1...Qd3
- 2.Qa7#
- 1...Sd3
- 2.Rc2#
- 1...Sd5
- 2.Rxd5#
- 1...Qb1!
- threat
- 1.Qh4?
- threat
- 2.Qf2#
- 1...Sxe6
- 2.Rd5#
- 2.Qb4#
- 2.Qc4#
- 1...Qe4
- 2.Ba7#
- 1...Qd7
- 2.Rc2#
- 1...Se2
- 2.Rd5#
- 2.Qb4#
- 2.Qc4#
- 1...Sd3
- 2.Rc2#
- 2.Qc4#
- 2.Qd4#
- 1...Sh3
- 2.Rd5#
- 2.Qb4#
- 2.Qc4#
- 2.Qd4#
- 1...Sd5
- 2.Rxd5#
- 2.Qc4#
- 2.Qd4#
- 1...Qd3!
- threat
- 1.Sg6+?
- Keys
- 1.Qg6!
- threat
- 2.Rc2#
- 1...Qxg6
- 2.Ba7#
- 1...Bxf3
- 2.Qg1#
- 1...Qc7
- 2.Qc2#
- 1...Bf1
- 2.Qg1#
- 1...Se2
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd6
- 2.Bxd6#
- 1...Sc7
- 2.Ba7#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(e);N_GUARD::B(J)
- Q(e);N_GUARD::R(A)
- S(b);N_GUARD::R1(A)
- S(b);S_CUTQ(e)::R(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD,XQ(G)::R1(A)
- S(b);N_GUARD,XP(I)::R1(A)
- S(f);N_GUARD::B(J),XS(f)
- S(f);N_GUARD::B(J)
- S(f);S_CUTQ(e)::B(J)
- Tries
- Try
- S(F);CHECK
- Vars
- S(b);XQ(G)::R(A)
- Refutation
- K(c);P-FLIGHT
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- Q(e);N_GUARD::B(J)
- Refutation
- B(a);XB(C)
- Try
- Q(G);
- Threat
- B(J)
- Vars
- Q(e);N_GUARD,XQ(G)::R(A)
- Q(e);N_GUARD::QAB(G)
- S(b);S_CUTQ(e)::R(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- Q(e);
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- Q(e);N_GUARD::B(J)
- Q(e);N_GUARD::R(A)
- Refutation
- Q(e);
- Try
- Actual
- Q(G);
- Threat
- R(A)
- Vars
- Q(e);N_GUARD,XQ(G)::B(J)
- B(a);OGATE,XB(C)::QAB(G)
- Q(e);N_GUARD::QAR(G)
- B(a);OGATE::QAB(G)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(f);N_GUARD::B(J),XS(f)
- S(f);S_CUTQ(e)::B(J)
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