MESON Chess Problem Database
Problem Display
PID: 263191 (2Rn1r2/2Q5/3p1p2/1rNk1K2/1bp2pB1/3p4/4N3/5q2 w - - 0 1)
Mitroshin, Anatoly Anatolyovich
Seredinsky, Volodimir Stepanovich
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
SuperProblem, 2021
#2
6 + 11
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bf3#
- 1...Qb1
- 2.Bf3#
- 1...Qc1
- 2.Bf3#
- 1...Qd1
- 2.Bf3#
- 1...Qe1
- 2.Bf3#
- 1...Qg1
- 2.Bf3#
- 1...Qf3
- 2.Bxf3#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...dxc5
- 2.Qd7#
- 1...Qa1
- Tries
- 1.Sb3?
- threat
- 2.Qxc4#
- 1...cxb3
- 2.Qc4#
- 1...Qc1
- 2.Bf3#
- 1...Bc5
- 2.Sc3#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Rc5!
- threat
- 1.Sxd3?
- threat
- 2.Qxc4#
- 1...cxd3
- 2.Qc4#
- 1...Qc1
- 2.Bf3#
- 1...Rc5
- 2.Sxb4#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Se4?
- threat
- 2.Qxc4#
- 1...Rc5
- 2.Qxd6#
- 1...Bc5
- 2.S4c3#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Qc1!
- threat
- 1.Sa6?
- threat
- 2.Qxc4#
- 1...Qc1
- 2.Bf3#
- 1...Rc5
- 2.Sxb4#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Se6?
- threat
- 2.Qxc4#
- 1...Bc5
- 2.Sc3#
- 1...Qc1
- 2.Bf3#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Rc5!
- threat
- 1.Sb7?
- threat
- 2.Qxc4#
- 1...Rc5
- 2.Qxd6#
- 1...Qc1
- 2.Bf3#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Sd7?
- threat
- 2.Qxc4#
- 1...Qc1
- 2.Bf3#
- 1...Rc5
- 2.Sb6#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- 1...Bc5!
- threat
- 1.Sb3?
- Keys
- 1.Sa4!
- threat
- 2.Qxc4#
- 1...Qc1
- 2.Bf3#
- 1...Rc5
- 2.Sb6#
- 1...Bc5
- 2.Sac3#
- 1...Sc6
- 2.Qxc6#
- 1...c3
- 2.Qc4#
- threat
- 1.Sa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::B(B)
- Q(a);N_GUARD::B(B),XQ(a)
- S(j);N_GUARD::QAB1(E),XS(j)
- S(j);N_GUARD::QAB1(E)
- P(h);OGATEB,XS(C)::QAR2(E)
- Tries
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- P(d);XS(C)::QAB1(E)
- Q(a);N_GUARD::B(B)
- B(c);N_GUARD::S(A)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- R(f);
- Try
- S(C);XP(b)
- Threat
- QAB1(E),XP(d)
- Vars
- P(d);XS(C)::QAB1(E)
- Q(a);N_GUARD::B(B)
- R(f);N_GUARD::S(C),XB(c)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- B(c);
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- R(f);S_CUTB(c)::QAR1(E),XP(h)
- B(c);N_GUARD::S(C)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- Q(a);
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- Q(a);N_GUARD::B(B)
- R(f);N_GUARD::S(C),XB(c)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- B(c);
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- B(c);N_GUARD::S(A)
- Q(a);N_GUARD::B(B)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- R(f);
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- R(f);S_CUTB(c)::QAR1(E),XP(h)
- Q(a);N_GUARD::B(B)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- B(c);
- Try
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- Q(a);N_GUARD::B(B)
- R(f);N_GUARD::S(C)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
- Refutation
- B(c);
- Try
- Actual
- S(C);
- Threat
- QAB1(E),XP(d)
- Vars
- Q(a);N_GUARD::B(B)
- R(f);N_GUARD::S(C)
- B(c);N_GUARD::S(C)
- S(j);N_GUARD::QAB1(E),XS(j)
- P(d);::QAB1(E)
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).