MESON Chess Problem Database
Problem Display
PID: 173111 (3rRb2/pBB4b/K1p1r3/1p2Nq1n/1R1Pk3/4N1pp/3PP3/5Q2 w - - 0 1)
Barulin, Mikhail Mikhailovich
64 Shakhmatnoe obozrenie, 1929
#2
11 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Qf3#
- 1...Qf3
- 2.Qxf3#
- 1...Qf4
- 2.Qb1#
- 1...Qxe5
- 2.Qf3#
- 1...Qg5
- 2.Qf3#
- 1...Red6
- 2.d5#
- 1...Rg6
- 2.Qxf5#
- 1...Re7
- 2.d5#
- 1...Bg8
- 2.Qxf5#
- 1...Bd6
- 2.Bxc6#
- 1...Bh6
- 2.d5#
- 1...Bg7
- 2.d5#
- 1...Sf4
- 2.Qf3#
- 1...Qg6
- Tries
- 1.Sxf5?
- threat
- 2.Qf3#
- 1...Kd5
- 2.Qf3#
- 1...Sf4!
- threat
- 1.S5g4?
- threat
- 2.Qb1#
- 2.d3#
- 1...Qxg4
- 2.Qb1#
- 1...Qxf1
- 2.Rxe6#
- 2.d3#
- 1...Qc5
- 2.Qf3#
- 2.d3#
- 1...Qe5
- 2.Qf3#
- 2.d3#
- 1...Re5
- 2.d3#
- 1...Rd6
- 2.d3#
- 2.d5#
- 1...Bd6
- 2.d3#
- 1...Sf4
- 2.Qf3#
- 1...Bxb4!
- threat
- 1.Sg6?
- threat
- 2.Qb1#
- 2.Qxf5#
- 1...Qxg6
- 2.Qb1#
- 2.Qf3#
- 1...Qxf1
- 2.Rxe6#
- 1...Bxg6
- 2.Qb1#
- 1...Qg4
- 2.Qb1#
- 1...Qf2
- 2.Rxe6#
- 2.Qb1#
- 1...Qf3
- 2.Rxe6#
- 2.Qb1#
- 2.Qxf3#
- 2.exf3#
- 1...Qf4
- 2.Qb1#
- 1...Qc5
- 2.Qf3#
- 1...Qd5
- 2.Qb1#
- 2.Qf3#
- 1...Qe5
- 2.Qb1#
- 2.Qf3#
- 1...Qg5
- 2.Qb1#
- 2.Qf3#
- 1...Qf6
- 2.Qb1#
- 1...Qf7
- 2.Qb1#
- 1...Rd5
- 2.Qb1#
- 1...Sf4
- 2.Qf3#
- 1...Sg7
- 2.Qb1#
- 1...Bxb4!
- threat
- 1.Bd6?
- threat
- 2.Bxc6#
- 2.d5#
- 1...Qxf1
- 2.d5#
- 1...Qxe5
- 2.Qf3#
- 2.dxe5#
- 1...Rexd6
- 2.d5#
- 1...Bxd6
- 2.Bxc6#
- 1...Qf2
- 2.d5#
- 1...Qf3
- 2.Qxf3#
- 2.d5#
- 1...Rc8
- 2.d5#
- 1...Sf4
- 2.Qf3#
- 2.d5#
- 1...Sf6
- 2.d5#
- 1...Rdxd6!
- threat
- 1.Sxf5?
- Keys
- 1.Sxc6!
- threat
- 2.Qb1#
- 1...Qxf1
- 2.Rxe6#
- 1...Qc5
- 2.Qf3#
- 1...Qe5
- 2.Qf3#
- 1...Re5
- 2.Sxd8#
- 1...Rd6
- 2.d5#
- 1...Bd6
- 2.Se5#
- 1...Sf4
- 2.Qf3#
- threat
- 1.Sxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- Q(e);N_GUARD::QAB1(A)
- Q(e);N_GUARD::QAB1(A),XQ(e)
- Q(e);SBLOCK::QAB(A)
- Q(e);N_GUARD,XS(G)::QAB1(A)
- R(h);S_CUTB(l)::R(E)+P(F)
- R(h);S_CUTB(j)::QAB1(A),XQ(e)
- B(j);N_GUARD::QAB1(A),XQ(e)
- B(l);S_CUTR(h),S_CUTR(k)::B(I),XP(g)
- B(l);N_GUARD::R(E)+P(F)
- S(f);S_CUTQ(e)::QAB1(A)
- Tries
- Try
- S(D);XQ(e)
- Threat
- QAB1(A)
- Vars
- K(c);S_FLIGHT::QAB(A)
- Refutation
- S(f);
- Try
- S(G);P_PINR(h)
- Threat
- DUALS(2)
- Vars
- Q(e);XS(G)::QAB(A)
- R(h);::P(B)
- B(l);::P(B)
- S(f);S_CUTQ(e)::QAB1(A)
- Refutation
- B(l);XR(E)
- Try
- S(G);P_PINR(h)
- Threat
- DUALS(2)
- Vars
- Q(e);N_GUARD,XQ(A)::R(K),XR(h)
- B(j);XS(G)::QAB(A)
- Q(e);::QAB(A)
- Q(e);N_GUARD::QAB1(A)
- R(k);N_SPINP(g)::QAB(A)
- S(f);S_CUTQ(e)::QAB1(A)
- S(f);::QAB(A)
- Refutation
- B(l);XR(E)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- Q(e);XQ(A)::R(E)+P(F)
- R(h);XB(J)::R(E)+P(F)
- B(l);XB(J)::B(I),XP(g)
- Q(e);::R(E)+P(F)
- R(k);::R(E)+P(F)
- S(f);::R(E)+P(F)
- Refutation
- R(k);XB(J)
- Try
- Actual
- S(G);P_PINR(h),P_SPINS(G),XP(g)
- Threat
- QAB(A)
- Vars
- Q(e);N_GUARD,XQ(A)::R(K),XR(h)
- Q(e);N_GUARD::QAB1(A)
- Q(e);N_GUARD,N_SPINR(h)::QAB1(A)
- R(h);N_PINS(G)::B(I)+S(G),XR(k)
- R(k);S_CUTB(l)::R(E)+P(F)
- B(l);N_PINS(G)::B(I)+S(G)
- S(f);S_CUTQ(e)::QAB1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).