MESON Chess Problem Database
Problem Display
PID: 259081 (6b1/1Kpp4/7R/3k4/1BN2R2/7p/2Bp4/1Q4nq w - - 0 1)
Kovacevic, Marjan
Vasilenko, Anatoly Grigorovich
3rd Prize, Belyakin-100 MT, 2021
#2
7 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qxh1#
- 1...d1Q
- 2.Qxd1#
- 1...d1S
- 2.Qxd1#
- 1...d1B
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...c5
- 2.Rd6#
- 1...c6
- 2.Rd6#
- 1...Se2
- Tries
- 1.Bd1?
- threat
- 2.Qd3#
- 2.Qf5#
- 1...Qe4
- 2.Qxe4#
- 1...Qf3
- 2.Qf5#
- 1...Be6
- 2.Qd3#
- 1...Se2
- 2.Qf5#
- 1...Sf3
- 2.Qe4#
- 1...Bh7!
- threat
- 1.Bb3?
- threat
- 2.Qd3#
- 2.Qf5#
- 1...Qe4
- 2.Qxe4#
- 1...d1Q
- 2.Qf5#
- 2.Qxd1#
- 1...d1R
- 2.Qf5#
- 2.Qxd1#
- 1...Qf3
- 2.Qf5#
- 1...Be6
- 2.Qd3#
- 1...Se2
- 2.Qf5#
- 2.Qxh1#
- 1...Sf3
- 2.Qe4#
- 1...Bh7!
- threat
- 1.Ba4?
- threat
- 2.Qd3#
- 2.Qf5#
- 1...Qe4
- 2.Qxe4#
- 1...d1Q
- 2.Qf5#
- 2.Qxd1#
- 1...d1R
- 2.Qf5#
- 2.Qxd1#
- 1...Qf3
- 2.Qf5#
- 1...Be6
- 2.Qd3#
- 1...Se2
- 2.Qf5#
- 2.Qxh1#
- 1...Sf3
- 2.Qe4#
- 1...Bh7!
- threat
- 1.Be4+?
- 1...Kd4
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Qd3#
- 1...Qxe4
- 2.Qxe4#
- 1...Kxc4!
- 1...Kd4
- 1.Bf5?
- threat
- 2.Qd3#
- 1...Qe4
- 2.Qxe4#
- 1...d1Q
- 2.Qxd1#
- 1...d1R
- 2.Qxd1#
- 1...Se2
- 2.Qxh1#
- 1...Sf3
- 2.Qe4#
- 1...Qf3!
- threat
- 1.Bh7?
- threat
- 2.Bxg8#
- 2.Qd3#
- 2.Qf5#
- 1...Qe4
- 2.Qxe4#
- 1...d1Q
- 2.Bxg8#
- 2.Qf5#
- 2.Qxd1#
- 1...d1R
- 2.Bxg8#
- 2.Qf5#
- 2.Qxd1#
- 1...Qg2
- 2.Qd3#
- 2.Qf5#
- 1...Qf3
- 2.Bxg8#
- 2.Qf5#
- 1...Be6
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 2.Qf5#
- 1...Se2
- 2.Bxg8#
- 2.Qf5#
- 2.Qxh1#
- 1...Sf3
- 2.Bxg8#
- 2.Qe4#
- 1...Bxh7!
- threat
- 1.Qa1?
- threat
- 2.Se3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...d1Q
- 2.Se3#
- 2.Qe5#
- 2.Qxd1#
- 1...d1S
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 2.Qxd1#
- 1...d1R
- 2.Se3#
- 2.Qe5#
- 2.Qxd1#
- 1...Qf3
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se2
- 2.Se3#
- 2.Qe5#
- 2.Qxh1#
- 1...Sf3
- 2.Se3#
- 1...c5
- 2.Se3#
- 2.Sb6#
- 2.Rd6#
- 2.Qe5#
- 1...d6
- 2.Se3#
- 2.Rd4#
- 2.Qd4#
- 1...Qe4!
- threat
- 1.Qxg1?
- threat
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qxh1#
- 2.Qg5#
- 2.Qxg8#
- 1...Qe4
- 2.Qc5#
- 1...d1Q
- 2.Qc5#
- 2.Qg5#
- 2.Qxg8#
- 1...d1B
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 2.Qxg8#
- 1...d1R
- 2.Qc5#
- 2.Qg5#
- 2.Qxg8#
- 1...Bh7
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 1...Qg2
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 1...Qf3
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 2.Qxg8#
- 1...Qh2
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 2.Qxg8#
- 1...Be6
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qxh1#
- 1...Bf7
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 2.Qxh1#
- 2.Qg5#
- 1...c5
- 2.Rd6#
- 2.Qxc5#
- 2.Qxh1#
- 2.Qg5#
- 2.Qxg8#
- 1...d6
- 2.Rd4#
- 2.Qd4#
- 2.Qxh1#
- 2.Qg5#
- 2.Qxg8#
- 1...Qxg1!
- threat
- 1.Qb2?
- threat
- 2.Se3#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...d1Q
- 2.Se3#
- 2.Qe5#
- 1...d1S
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...d1R
- 2.Se3#
- 2.Qe5#
- 1...Qf3
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se2
- 2.Se3#
- 2.Qe5#
- 1...Sf3
- 2.Se3#
- 1...c5
- 2.Se3#
- 2.Sb6#
- 2.Rd6#
- 2.Qe5#
- 1...d6
- 2.Se3#
- 2.Rd4#
- 2.Qd4#
- 1...Qe4!
- threat
- 1.Bd1?
- Keys
- 1.Bg6!
- threat
- 2.Qf5#
- 1...Ke6+
- 2.Be4#
- 1...Qe4
- 2.Qxe4#
- 1...Be6
- 2.Qd3#
- 1...Sf3
- 2.Qe4#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- S(a);OGATE::QAB(A),XQ(b)
- P(c);OGATEB::QAR(A),XQ(c)
- P(c);OGATEB::QAR(A),XS(c)
- P(c);OGATEB::QAR(A),XB(c)
- P(c);OGATEB::QAR(A),XR(c)
- P(f);N_GUARD::R1(F)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB1(A),XQ(b)
- Q(b);::QAR2(A)
- B(h);::QAR2(A)
- S(a);::QAR2(A)
- S(a);S_CUTQ(b)::QAB1(A)
- Refutation
- B(h);
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB1(A),XQ(b)
- Q(b);::QAR2(A)
- B(h);::QAR2(A)
- S(a);S_CUTQ(b)::QAB1(A)
- Refutation
- B(h);
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB1(A),XQ(b)
- Q(b);::QAR2(A)
- B(h);::QAR2(A)
- S(a);S_CUTQ(b)::QAB1(A)
- Refutation
- B(h);
- Try
- B(B);CHECK
- Vars
- Q(b);OGATE,XB(B)::QAB1(A),XQ(b)
- Refutation
- K(e);P_PINB(B),S_FLIGHT,XS(D)
- Try
- B(B);
- Threat
- QAR2(A)
- Vars
- Q(b);N_GUARD::QAB1(A),XQ(b)
- P(c);OGATEB::QAR(A),XQ(c)
- P(c);OGATEB::QAR(A),XR(c)
- S(a);OGATE::QAB(A),XQ(b)
- S(a);S_CUTQ(b)::QAB1(A)
- Refutation
- Q(b);
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD::QAB1(A),XQ(b)
- B(h);::QAR2(A)
- Refutation
- B(h);XB(B)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- S(a);::S(D)
- Refutation
- Q(b);
- Try
- Q(A);XS(a)
- Threat
- DUALS(6)
- Vars
- Q(b);::QAR1(A)
- Refutation
- Q(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- S(a);::S(D)
- Refutation
- Q(b);
- Try
- Actual
- B(B);
- Threat
- QAR2(A)
- Vars
- K(e);CHECK,N_GUARD,S_CUTQ(b),S_FLIGHT::R(F)+B(B)
- Q(b);N_GUARD::QAB1(A),XQ(b)
- B(h);SBLOCK::QAR2(A)
- S(a);S_CUTQ(b)::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).