MESON Chess Problem Database
Problem Display
PID: 3158 (4rN2/1r5B/1p1n3R/p2nk3/4Pp1N/q4p1K/p1Q2B2/2b5 w - - 0 1)
Barulin, Mikhail Mikhailovich
2nd Place, Source?, 1934
#2
8 + 12
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Sxf3#
- 1...Qb4
- 2.Sxf3#
- 1...Qc5
- 2.Sxf3#
- 1...Qa4
- 2.Sxf3#
- 1...Rd7
- 2.Sxd7#
- 1...Rbb8
- 2.Sd7#
- 1...Re6
- 2.Rxe6#
- 1...Ra8
- 2.Re6#
- 1...Reb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Be3
- 2.Sxf3#
- 1...Sc3
- 2.Sxf3#
- 1...Se3
- 2.Sxf3#
- 1...Sf6
- 2.Shg6#
- 1...Sc7
- 2.Sd7#
- 1...Se7
- 2.Re6#
- 1...Sxe4
- 2.Qxe4#
- 1...Qb2
- Tries
- 1.Qb3?
- threat
- 2.Sxf3#
- 2.Qxd5#
- 1...Rxh7
- 2.Qxd5#
- 1...Sxe4
- 2.Sxf3#
- 1...Se3
- 2.Sxf3#
- 1...Sf5
- 2.Qxd5#
- 1...Qc5
- 2.Sxf3#
- 1...Sc3
- 2.Sxf3#
- 1...Sb4
- 2.Sxf3#
- 1...Sf6
- 2.Sxf3#
- 1...Sc7
- 2.Sxf3#
- 2.Sd7#
- 1...Se7
- 2.Sxf3#
- 2.Re6#
- 2.Qe6#
- 1...Sc4
- 2.Sxf3#
- 1...Qxb3!
- threat
- 1.Qd3?
- threat
- 2.Sxf3#
- 2.Bd4#
- 2.Qd4#
- 2.Qxd5#
- 1...Sxe4
- 2.Sxf3#
- 2.Bd4#
- 2.Qxe4#
- 2.Qd4#
- 1...a1Q
- 2.Sxf3#
- 2.Qxd5#
- 1...a1B
- 2.Sxf3#
- 2.Qxd5#
- 1...Qb2
- 2.Sxf3#
- 2.Qxd5#
- 1...Qb4
- 2.Sxf3#
- 2.Qxd5#
- 1...Qc5
- 2.Sxf3#
- 1...Qb3
- 2.Sxf3#
- 2.Bd4#
- 2.Qd4#
- 1...Qc3
- 2.Sxf3#
- 2.Qxd5#
- 1...Qa4
- 2.Sxf3#
- 2.Qxd5#
- 1...Bb2
- 2.Sxf3#
- 2.Qxd5#
- 1...Be3
- 2.Sxf3#
- 2.Qxd5#
- 1...Sc3
- 2.Sxf3#
- 2.Bd4#
- 2.Qd4#
- 1...Se3
- 2.Sxf3#
- 1...Sb4
- 2.Sxf3#
- 2.Bd4#
- 2.Qd4#
- 2.Qxd6#
- 1...Sf6
- 2.Sxf3#
- 2.Shg6#
- 2.Bd4#
- 2.Qd4#
- 1...Sc7
- 2.Sxf3#
- 2.Sd7#
- 2.Bd4#
- 2.Qd4#
- 1...Se7
- 2.Sxf3#
- 2.Bd4#
- 2.Re6#
- 2.Qd4#
- 1...Sb5
- 2.Sxf3#
- 2.Qxd5#
- 1...Sf5
- 2.Sxf3#
- 2.Qxd5#
- 1...Qxd3!
- threat
- 1.Qb2+?
- 1...Qxb2
- 2.Sxf3#
- 1...Qc3
- 2.Sxf3#
- 1...Sc3
- 2.Sxf3#
- 1...Bxb2!
- 1...Qxb2
- 1.Qc3+?
- 1...Sxc3
- 2.Sxf3#
- 1...Qxc3!
- 1...Sxc3
- 1.Qc5?
- threat
- 2.Bd4#
- 2.Qd4#
- 2.Qxd5#
- 1...Qxc5
- 2.Sxf3#
- 1...Rxh7
- 2.Qd4#
- 2.Qxd5#
- 1...Sxe4
- 2.Bd4#
- 2.Qd4#
- 1...Sf5
- 2.Qxd5#
- 1...a1Q
- 2.Qxd5#
- 1...a1B
- 2.Qxd5#
- 1...Qd3
- 2.Qxd6#
- 1...Qb2
- 2.Sxf3#
- 2.Qxd6#
- 2.Qxd5#
- 1...Qb4
- 2.Sxf3#
- 2.Qxd5#
- 1...Qb3
- 2.Bd4#
- 2.Qd4#
- 2.Qxd6#
- 1...Qc3
- 2.Qxd6#
- 2.Qxd5#
- 1...Qe3
- 2.Qxd5#
- 1...Qa4
- 2.Sxf3#
- 2.Qxd6#
- 2.Qxd5#
- 1...Bb2
- 2.Qxd5#
- 1...Be3
- 2.Sxf3#
- 2.Qxd5#
- 1...Sb5
- 2.Qxd5#
- 1...bxc5!
- threat
- 1.Qb3?
- Keys
- 1.Qc6!
- threat
- 2.Qxd5#
- 1...Sxe4
- 2.Sfg6#
- 1...Se3
- 2.Sxf3#
- 1...Qd3
- 2.Qxd6#
- 1...Qc5
- 2.Sxf3#
- 1...Qb3
- 2.Qxd6#
- 1...Sc3
- 2.Sxf3#
- 1...Sb4
- 2.Qxd6#
- 1...Sf6
- 2.Shg6#
- 1...Sc7
- 2.Sd7#
- 1...Se7
- 2.Re6#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::S(E),XP(d)
- R(k);N_GUARD::S(H),XR(k)
- R(k);N_GUARD::S(H)
- R(l);N_GUARD::R1(F),XR(l)
- R(l);N_GUARD::R1(F)
- B(a);S_CUTQ(c)::S(E),XP(d)
- S(g);S_CUTQ(c)::S(E),XP(d)
- S(g);SBLOCK::S(E)
- S(g);S_CUTR(k)::S(H)
- S(g);S_CUTR(l)::R1(F)
- S(j);OGATE,XP(D)::QAR1(A),XS(j)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(k);XB(G)::QAR1(A),XS(g)
- S(j);XP(D)::S(E),XP(d)
- S(g);::S(E),XP(d)
- S(j);::QAR1(A),XS(g)
- Q(c);::S(E),XP(d)
- S(j);::S(E),XP(d)
- Refutation
- Q(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- Q(c);::S(E),XP(d)
- S(g);::S(E),XP(d)
- Refutation
- Q(c);XQ(A)
- Try
- Q(A);CHECK
- Vars
- Q(c);XQ(A)::S(E),XP(d)
- Q(c);P_SPINQ(c)::S(E),XP(d)
- S(g);P_SPINS(g)::S(E),XP(d)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(g);XQ(A)::S(E),XP(d)
- Refutation
- Q(c);XQ(A)
- Try
- Q(A);P_PINS(g)
- Threat
- DUALS(3)
- Vars
- Q(c);N_GUARD,N_SPINS(g),XQ(A)::S(E),XP(d)
- S(j);::QAR1(A),XS(g)
- P(b);::QAR1(A),XS(g)
- Q(c);N_GUARD::QAB1(A),XS(j)
- Q(c);::QAR1(A),XS(g)
- B(a);::QAR1(A),XS(g)
- Refutation
- P(i);N_SPINS(g),XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A),XS(g)
- Vars
- S(j);SBLOCK,XP(D)::S(H)
- S(g);S_CUTQ(c)::S(E),XP(d)
- Q(c);N_GUARD::QAB1(A),XS(j)
- Q(c);N_GUARD::S(E),XP(d)
- S(g);S_CUTQ(c)::QAB1(A),XS(j)
- S(g);SBLOCK::S(E)
- S(g);S_CUTR(k)::S(H)
- S(g);S_CUTR(l)::R1(F)
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