MESON Chess Problem Database
Problem Display
PID: 161263 (nKnQ4/P4N2/pBkp4/Rb2p3/2p1p3/2R1N3/8/8 w - - 0 1)
Archakov, Vladimir Mikhailovich
Shakhmaty v SSSR, 1968
#2
8 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Rxc4#
- 1...Saxb6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Scxb6
- 2.Qxd6#
- 1...Sxa7
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d5
- 2.Sxe5#
- 1...Ba4
- Tries
- 1.Kxc8?
- threat
- 2.Qxd6#
- 1...d5
- 2.Sxe5#
- 2.Qf6#
- 2.Qd6#
- 1...Sxb6+!
- threat
- 1.Bd4?
- threat
- 2.Qe8#
- 1...Sab6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Scb6
- 2.Qxd6#
- 1...exd4!
- threat
- 1.Bc7?
- 1...Kc5
- 2.Rxc4#
- 1...Sxc7
- 2.Qxc7#
- 1...Sxa7
- 2.Qxd6#
- 1...Ba4
- 2.Rxc4#
- 2.Qe8#
- 1...Scb6
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d5
- 2.Qxd5#
- 1...Sab6!
- 1...Kc5
- 1.Rc1?
- 1...Saxb6
- 2.Qc7#
- 1...Scxb6
- 2.Qxd6#
- 1...Sxa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxc7#
- 1...Ba4
- 2.Rxc4#
- 1...Se7
- 2.Qxd6#
- 1...d5
- 2.Sxe5#
- 1...c3!
- 1...Saxb6
- 1.Rc2?
- 1...Saxb6
- 2.Qc7#
- 1...Scxb6
- 2.Qxd6#
- 1...Sxa7
- 2.Qxd6#
- 1...Sc7
- 2.Qxc7#
- 1...Ba4
- 2.Rxc4#
- 1...Se7
- 2.Qxd6#
- 1...d5
- 2.Sxe5#
- 1...c3!
- 1...Saxb6
- 1.Rxa6?
- threat
- 2.Qe8#
- 1...Saxb6
- 2.Qc7#
- 2.Qxc8#
- 1...Scxb6
- 2.Qxd6#
- 1...Sc7
- 2.Qxc7#
- 1...Bxa6!
- threat
- 1.Qxc8+?
- 1...Sc7
- 2.Qxc7#
- 1...Kxb6!
- 1...Sc7
- 1.Kxc8?
- Keys
- 1.Bc5!
- 1...Kxc5
- 2.Rxc4#
- 1...Sxa7
- 2.Qxd6#
- 1...dxc5
- 2.Sxe5#
- 1...Ba4
- 2.Qe8#
- 1...Sab6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Scb6
- 2.Qxd6#
- 1...Se7
- 2.Qxd6#
- 1...d5
- 2.Qxd5#
- 1...Kxc5
- 1.Bc5!
There are these versions: 161264
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::R(A),XP(a)
- S(h);N_GUARD,XB(D)::QAR1(H)
- S(h);N_GUARD::QAR1(H),XS(h)
- S(i);N_GUARD,SBLOCK,XB(D)::QAR1(H),XP(g)
- S(i);N_GUARD,XP(E)::QAR1(H),XP(g)
- S(i);N_GUARD::QAR1(H),XP(g)
- P(g);N_GUARD::S(F),XP(d)
- Tries
- Try
- K(G);P-FLIGHT,XS(i)
- Threat
- QAR1(H),XP(g)
- Refutation
- S(h);CHECK,XB(D)
- Try
- B(D);
- Threat
- QAB(H)
- Vars
- S(h);N_GUARD::QAR1(H)
- S(h);N_GUARD::QAR1(H),XS(h)
- S(i);N_GUARD::QAR1(H),XP(g)
- Refutation
- P(d);XB(D)
- Try
- B(D);
- Vars
- K(f);P-FLIGHT,P_SPINB(c)::R1(A),XP(a)
- S(h);OGATE,XB(D)::QAR1(H),XS(h)
- S(i);N_GUARD,XP(E)::QAR1(H),XP(g)
- S(i);N_GUARD::QAR1(H),XP(g)
- P(g);OGATE::QAB1(H),XP(g)
- Refutation
- S(h);
- Try
- R(A);
- Vars
- S(h);N_GUARD,XB(D)::QAR1(H)
- S(i);N_GUARD,SBLOCK,XB(D)::QAR1(H),XP(g)
- S(i);N_GUARD,XP(E)::QAR1(H),XP(g)
- S(h);N_GUARD::QAR1(H),XS(h)
- B(c);N_GUARD::R(A),XP(a)
- S(i);N_GUARD::QAR1(H),XP(g)
- P(g);N_GUARD::S(F),XP(d)
- Refutation
- P(a);
- Try
- R(A);
- Vars
- S(h);N_GUARD,XB(D)::QAR1(H)
- S(i);N_GUARD,SBLOCK,XB(D)::QAR1(H),XP(g)
- S(i);N_GUARD,XP(E)::QAR1(H),XP(g)
- S(h);N_GUARD::QAR1(H),XS(h)
- B(c);N_GUARD::R(A),XP(a)
- S(i);N_GUARD::QAR1(H),XP(g)
- P(g);N_GUARD::S(F),XP(d)
- Refutation
- P(a);
- Try
- R(C);XP(e)
- Threat
- QAB(H)
- Vars
- S(i);N_GUARD,P_SPINS(i),XB(D)::QAR1(H),XP(g)
- S(h);N_GUARD::QAR1(H),XS(h)
- Refutation
- B(c);XR(C)
- Try
- Q(H);CHECK,XS(i)
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR1(H),XS(h)
- Refutation
- K(f);N_SPINP(a),P-FLIGHT,XB(D)
- Try
- Actual
- B(D);N_PINP(a)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINB(c),P_SPINP(a),XB(D)::R1(A),XP(a)
- S(i);N_GUARD,XP(E)::QAR1(H),XP(g)
- P(g);N_GUARD,SBLOCK,XB(D)::S(F),XP(d)
- B(c);::QAB(H)
- S(h);N_GUARD::QAR1(H)
- S(h);N_GUARD::QAR1(H),XS(h)
- S(i);N_GUARD::QAR1(H),XP(g)
- P(g);OGATE::QAB1(H),XP(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).