MESON Chess Problem Database
Problem Display
PID: 243709 (2bN2BK/7p/2n4r/Q5p1/4k2b/2n1PR1N/4P2B/6r1 w - - 0 1)
Baturin, Aleksandr Adrianovich
Shakhmaty i Shashki, 1929
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.Sf2#
- 1...Re6
- 2.Qf5#
- 1...Bf2
- 2.Sxf2#
- 1...Bg3
- 2.Sxg5#
- 1...Bf5
- 2.Qxf5#
- 1...Ba6
- 2.Qf5#
- 1...Bb7
- 2.Qf5#
- 1...Sb1
- 2.Bd5#
- 2.Qd5#
- 1...Sd1
- 2.Bd5#
- 2.Qd5#
- 1...Sa2
- 2.Bd5#
- 2.Qd5#
- 1...Sxe2
- 2.Qd5#
- 1...Sa4
- 2.Bd5#
- 2.Qd5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb4
- 2.Qxb4#
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qb4#
- 2.Qe5#
- 1...Se7
- 2.Qb4#
- 2.Qe5#
- 1...Sb8
- 2.Qb4#
- 2.Qe5#
- 1...Sxd8
- 2.Qb4#
- 2.Qe5#
- 1...Rg3
- Tries
- 1.Sxc6?
- threat
- 2.Qb4#
- 2.Qe5#
- 1...Rxc6
- 2.Qe5#
- 1...Sxe2
- 2.Qd5#
- 1...Rb1
- 2.Qe5#
- 1...Rd1
- 2.Qe5#
- 1...Rd6
- 2.Qe5#
- 1...Re6
- 2.Qf5#
- 1...Bg3
- 2.Sxg5#
- 2.Qb4#
- 1...Ba6
- 2.Qe5#
- 2.Qf5#
- 1...Be6
- 2.Qe5#
- 1...Sa2
- 2.Bd5#
- 2.Qd5#
- 2.Qe5#
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Sb5!
- threat
- 1.Se6?
- threat
- 2.Sc5#
- 2.Qf5#
- 1...Rxe6
- 2.Qf5#
- 1...Sxe2
- 2.Qf5#
- 1...Sxa5
- 2.Sc5#
- 1...Sb5
- 2.Sc5#
- 1...Rg3
- 2.Sf2#
- 2.Qf5#
- 1...Rf6
- 2.Sc5#
- 1...Bg3
- 2.Shxg5#
- 2.Sexg5#
- 2.Qf5#
- 1...Sa4
- 2.Qf5#
- 1...Sd5
- 2.Sc5#
- 1...Sd4
- 2.Sc5#
- 2.Qe5#
- 1...Se5
- 2.Sc5#
- 2.Qxe5#
- 1...Se7
- 2.Sc5#
- 2.Qe5#
- 1...Bxe6!
- threat
- 1.Qb4+?
- 1...Sd4
- 2.Qxd4#
- 1...Sxb4!
- 1...Sd4
- 1.Qa4+?
- 1...Sb4
- 2.Qxb4#
- 1...Sd4
- 2.Qxd4#
- 1...Sxa4!
- 1...Sb4
- 1.Sxc6?
- Keys
- 1.Sb7!
- threat
- 2.Sc5#
- 1...Bxb7
- 2.Qf5#
- 1...Sxe2
- 2.Qd5#
- 1...Rg3
- 2.Sf2#
- 1...Re6
- 2.Qf5#
- 1...Bg3
- 2.Sxg5#
- 1...Be6
- 2.Sd6#
- 1...Sa4
- 2.Bd5#
- 2.Qd5#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(a);S_CUTB(d)::S(E)
- R(g);S_CUTB(i)::QAB1(F)
- B(d);N_GUARD::S(E),XB(d)
- B(d);N_GUARD,S_CUTR(a)::S(E),XP(e)
- B(i);N_GUARD::QAB1(F),XB(i)
- B(i);N_GUARD::QAB1(F)
- S(b);N_GUARD,XP(A)::QAB1(F)
- S(f);N_GUARD::QAR1(F)
- S(f);N_GUARD::QAR1(F),XS(f)
- Tries
- Try
- S(G);XS(f)
- Threat
- DUALS(2)
- Vars
- R(g);XS(G)::QAR1(F)
- S(b);N_GUARD,XP(A)::QAB1(F)
- R(a);::QAR1(F)
- R(g);::QAR1(F)
- R(g);S_CUTB(i)::QAB1(F)
- B(i);::QAR1(F)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);XS(G)::QAB1(F)
- S(b);XP(A)::QAB1(F)
- S(f);XQ(F)::S(G)
- S(b);::S(G)
- R(g);::S(G)
- S(b);::QAB1(F)
- Refutation
- B(i);XS(G)
- Try
- Q(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR1(F),XS(f)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR(F),XS(f)
- S(f);N_GUARD,P_SPINS(f)::QAR1(F),XS(f)
- Refutation
- S(b);XQ(F)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- B(i);N_GUARD,XS(G)::QAB1(F)
- S(b);N_GUARD,XP(A)::QAB1(F)
- R(a);S_CUTB(d)::S(E)
- R(g);S_CUTB(i)::QAB1(F)
- B(d);N_GUARD,S_CUTR(a)::S(E),XP(e)
- B(i);S_CUTR(g)::S(G)
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).