MESON Chess Problem Database
Problem Display
PID: 245588 (1bB4K/5R1p/pQ1pN1p1/4k3/1Np5/5P2/3q3r/2B5 w - - 0 1)
Slesarenko, Anatoly Vasilevich
1st Prize, 64 Shakhmatnoe obozrenie, 2018
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxc1
- 2.Qd4#
- 1...Qe1
- 2.Bf4#
- 2.Qd4#
- 1...Qc3
- 2.Bf4#
- 1...Qe3
- 2.Qxe3#
- 1...Qxb4
- 2.Qd4#
- 1...Qf4
- 2.Bxf4#
- 1...Qg5
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qd1
- 2.Bf4#
- 2.Qe3#
- 1...Qa2
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Qb2
- 2.Bf4#
- 2.Qe3#
- 1...Qc2
- 2.Bf4#
- 2.Qd4#
- 1...Qe2
- 2.Bf4#
- 2.Qd4#
- 1...Qf2
- 2.Bf4#
- 1...Qg2
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Qd3
- 2.Bf4#
- 1...Qd4
- 2.Qxd4#
- 1...Qd5
- 2.Bf4#
- 1...d5
- 2.Qxb8#
- 1...Qxc1
- Tries
- 1.Sd3+?
- 1...Kd5
- 2.Qb7#
- 1...cxd3
- 2.Qd4#
- 1...Qxd3!
- 1...Kd5
- 1.Sf4?
- threat
- 2.Sc6#
- 1...Qxb4
- 2.Qe3#
- 1...Qxf4
- 2.Bxf4#
- 1...d5
- 2.Qf6#
- 1...Qd5!
- threat
- 1.Sc7?
- threat
- 2.Sc6#
- 1...Qxb4
- 2.Bf4#
- 2.Qe3#
- 1...Qd5
- 2.Bf4#
- 1...d5
- 2.Qf6#
- 1...Bxc7!
- threat
- 1.Sd8?
- threat
- 2.Sdc6#
- 1...Qd5
- 2.Bf4#
- 1...d5
- 2.Qf6#
- 1...Qxb4!
- threat
- 1.Bb2+?
- 1...Qc3
- 2.Bxc3#
- 2.Qe3#
- 1...Qxb2
- 2.Qe3#
- 1...Qd4
- 2.Bxd4#
- 2.Qxd4#
- 1...c3!
- 1...Qc3
- 1.Bxd2?
- threat
- 2.Bc3#
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Rxd2
- 2.Qe3#
- 1...Re2
- 2.Bc3#
- 2.Bf4#
- 2.Qd4#
- 1...Ba7
- 2.Bc3#
- 2.Bf4#
- 1...c3
- 2.Bxc3#
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...d5
- 2.Bf4#
- 2.Qxb8#
- 1...g5
- 2.Bc3#
- 2.Qe3#
- 2.Qd4#
- 1...Rh4!
- threat
- 1.Qa5+?
- 1...Qd5
- 2.Sc6#
- 2.Bf4#
- 2.Qxd5#
- 1...d5!
- 1...Qd5
- 1.Qc5+?
- 1...Qd5
- 2.Sc6#
- 2.Bf4#
- 2.Qxd5#
- 1...d5
- 2.Sc6#
- 1...dxc5!
- 1...Qd5
- 1.Qb5+?
- 1...Qd5
- 2.Sc6#
- 2.Bf4#
- 2.Qxd5#
- 1...d5
- 2.Qxb8#
- 1...axb5!
- 1...Qd5
- 1.f4+?
- 1...Ke4
- 2.Sg5#
- 1...Qxf4!
- 1...Ke4
- 1.Sd3+?
- Keys
- 1.Qd8!
- threat
- 2.Qf6#
- 1...Qxb4
- 2.Qg5#
- 1...Qf4
- 2.Bxf4#
- 1...Qg5
- 2.Qxg5#
- 1...d5
- 2.Sc6#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD,XB(A)::QAB1(D)
- Q(a);OGATE::B(A)
- Q(a);N_GUARD::QAR2(D),XQ(a)
- Q(a);N_GUARD,XS(C)::QAB1(D)
- Q(a);OGATE::B(A),XQ(a)
- Q(a);N_GUARD::QAB1(D)
- Q(a);N_GUARD::QAB1(D),XQ(a)
- P(f);OGATEB::QAB(D),XB(i)
- Tries
- Try
- S(C);CHECK
- Vars
- K(d);P-FLIGHT::QAB(D)
- P(c);XS(C)::QAB1(D)
- Refutation
- Q(a);XS(C)
- Try
- S(E);
- Threat
- S(C)
- Vars
- Q(a);N_GUARD,XS(C)::QAR2(D)
- Q(a);OGATE,XS(E)::B(A),XQ(a)
- P(f);OGATE::QAB1(D)
- Refutation
- Q(a);
- Try
- S(E);
- Threat
- S(C)
- Vars
- Q(a);OGATE::B(A)
- P(f);OGATE::QAB1(D)
- Refutation
- B(i);XS(E)
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(a);OGATE::B(A)
- P(f);OGATE::QAB1(D)
- Refutation
- Q(a);XS(C)
- Try
- B(A);CHECK
- Vars
- Q(a);XB(A)::QAR2(D)
- Refutation
- P(c);P_SPINP(c)
- Try
- B(A);XQ(a)
- Threat
- DUALS(4)
- Vars
- R(b);XB(A)::QAR2(D)
- Refutation
- R(b);
- Try
- Q(D);CHECK
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(D);CHECK
- Vars
- P(f);P_SPINP(f)::S(C)
- Refutation
- P(f);XQ(D)
- Try
- Q(D);CHECK
- Vars
- P(f);OGATEB,P_SPINP(f)::QAB(D),XB(i)
- Refutation
- P(e);XQ(D)
- Try
- P(B);CHECK
- Vars
- K(d);P-FLIGHT::S(E)
- Refutation
- Q(a);XP(B)
- Try
- Actual
- Q(D);
- Threat
- QAB1(D)
- Vars
- Q(a);N_GUARD,XS(C)::QAR2(D)
- Q(a);OGATE::B(A),XQ(a)
- Q(a);N_GUARD::QAR2(D),XQ(a)
- P(f);::S(C)
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).