MESON Chess Problem Database
Problem Display
PID: 171259 (3r1b2/8/B3R3/n1Rp4/3kP1n1/B1pN3Q/6N1/3bK3 w - - 0 1)
Archakov, Vladimir Mikhailovich
4th Comm., Melnichenko-60 JT, 1999
#2
9 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Rxd5#
- 1...Rb8
- 2.Rxd5#
- 1...Rc8
- 2.Rxd5#
- 1...Re8
- 2.Rxd5#
- 1...Bxc5
- 2.Bxc5#
- 1...Bd6
- 2.Rxd5#
- 1...Sf2
- 2.Qe3#
- 1...Sh2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Se5
- 2.Qe3#
- 1...Sf6
- 2.Qe3#
- 1...Sh6
- 2.Qe3#
- 1...c2
- 2.Bb2#
- 1...Ra8
- Tries
- 1.Sc1?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Bxc5
- 2.Qd3#
- 1...dxe4
- 2.Qxc3#
- 1...Se5
- 2.Qe3#
- 1...Bc2
- 2.Se2#
- 2.Qxc3#
- 1...Be2
- 2.Sxe2#
- 2.Qxc3#
- 1...Sf2
- 2.Qxc3#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Sb2?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Bxc5
- 2.Qd3#
- 1...cxb2
- 2.Qc3#
- 2.Qd3#
- 1...dxe4
- 2.Qxc3#
- 1...Se5
- 2.Qe3#
- 1...Bc2
- 2.Qxc3#
- 1...Be2
- 2.Qxc3#
- 1...Sf2
- 2.Qxc3#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Sf2?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Bxc5
- 2.Qd3#
- 1...Sxf2
- 2.Qxc3#
- 2.Qe3#
- 1...dxe4
- 2.Rxe4#
- 2.Qxc3#
- 1...Bc2
- 2.Qxc3#
- 1...Be2
- 2.Qxc3#
- 1...Se3
- 2.Qxe3#
- 1...Se5
- 2.Qxc3#
- 2.Qe3#
- 1...Sc4
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Sdf4?
- threat
- 2.Qxc3#
- 2.Qd3#
- 1...Bxc5
- 2.Qd3#
- 1...dxe4
- 2.Qxc3#
- 1...Se5
- 2.Qe3#
- 1...Bc2
- 2.Se2#
- 2.Qxc3#
- 1...Be2
- 2.Sxe2#
- 2.Qxc3#
- 1...Sf2
- 2.Qxc3#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Qd3#
- 1...c2
- 2.Qc3#
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Se5?
- threat
- 2.Qd3#
- 1...Kxe4
- 2.Qd3#
- 1...Sxe5
- 2.Qe3#
- 1...dxe4
- 2.Qxc3#
- 1...Bf3
- 2.Sxf3#
- 1...Bc2
- 2.Sf3#
- 1...Sf2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Be2!
- threat
- 1.Bb4?
- threat
- 2.Bxc3#
- 1...Bxc5
- 2.Bxc5#
- 1...Se5
- 2.Qe3#
- 1...c2
- 2.Bc3#
- 1...Sc4!
- threat
- 1.Qh8+?
- 1...Se5
- 2.Qxe5#
- 1...Sf6
- 2.Qxf6#
- 1...Bg7!
- 1...Se5
- 1.Sc1?
- Keys
- 1.Sb4!
- threat
- 2.Qxc3#
- 1...Kxc5
- 2.Sc2#
- 1...Bxc5
- 2.Qd3#
- 1...Se5
- 2.Qe3#
- 1...Bf3
- 2.Sc2#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Sc6#
- 1...c2
- 2.Qc3#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(g);N_GUARD::R1(G),XP(f)
- B(h);OGATE,XR(G)::B(C),XB(h)
- B(h);S_CUTR(g)::R1(G),XP(f)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- P(b);OGATEB::B(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::QAR1(E)
- P(f);XP(F)::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(e);::QAR1(E)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::QAR1(E)
- P(f);XP(F)::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- B(a);::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(e);::QAR1(E)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::QAR1(E)
- B(a);::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(e);::QAR1(E)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::QAR1(E)
- P(f);XP(F)::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(e);::QAR1(E)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- QAR1(E)
- Vars
- K(c);P-FLIGHT,XP(F)::QAB1(E)
- S(d);N_GUARD,XS(D)::QAB1(E)
- P(f);SBLOCK,XP(F)::QAB1(E),XP(b)
- B(a);N_GUARD::S(D),XB(a)
- B(a);N_GUARD::S(D)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD::QAB1(E),XS(d)
- Refutation
- B(a);
- Try
- B(C);
- Threat
- B(C),XP(b)
- Vars
- B(h);OGATE,XR(G)::B(C),XB(h)
- S(d);N_GUARD::QAB1(E)
- P(b);::B(C)
- Refutation
- S(e);
- Try
- Q(E);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(E),XS(d)
- S(d);N_GUARD,P_SPINS(d)::QAB(E),XS(d)
- Refutation
- B(h);P_SPINB(h)
- Try
- Actual
- S(D);
- Threat
- QAB1(E),XP(b)
- Vars
- K(c);S_FLIGHT,XR(G)::B(C)+S(D)
- B(h);SBLOCK,XR(G)::QAR1(E)
- S(d);N_GUARD::QAB1(E)
- B(a);N_GUARD::S(D)
- S(d);N_GUARD::QAB1(E),XS(d)
- S(e);N_GUARD::S(D)
- P(b);::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).