MESON Chess Problem Database
Problem Display
PID: 265599 (3Br3/6R1/2n4n/3BPp1P/r1p2k2/1p4Nb/6p1/3RQ1K1 w - - 0 1)
Basisty, Mark Borisovich
Vasilenko, Anatoly Grigorovich
3rd Prize, Polski Zwiazek Szachowy, 2013
#2
9 + 10
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qf2#
- 1...Bg4
- 2.Bg5#
- 1...Sb4
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sxe5
- 2.Rd4#
- 2.Qd2#
- 1...Sa7
- 2.Rd4#
- 1...Se7
- 2.Rd4#
- 1...Sb8
- 2.Rd4#
- 1...Sxd8
- 2.Rd4#
- 1...Sg4
- 2.Bg5#
- 1...Rxe5
- Tries
- 1.Se2+?
- 1...Ke3
- 2.Rg3#
- 2.Qd2#
- 2.Qf2#
- 1...Kxe5!
- 1...Ke3
- 1.Sxf5?
- threat
- 2.Qe4#
- 1...Kxf5
- 2.Qe4#
- 1...Rxe5
- 2.Qf2#
- 1...Bxf5
- 2.Qg3#
- 1...c3!
- threat
- 1.Bb6?
- threat
- 2.Qe3#
- 1...Rxe5
- 2.Qf2#
- 1...Sd4
- 2.Rxd4#
- 1...Sg4!
- threat
- 1.Bf6?
- threat
- 2.Qd2#
- 2.Qf2#
- 1...Rxe5
- 2.Qf2#
- 1...Sxe5
- 2.Rd4#
- 2.Qd2#
- 1...c3
- 2.Qf2#
- 1...Bg4
- 2.Bg5#
- 1...Sd4
- 2.Rxd4#
- 2.Qd2#
- 1...Sg4
- 2.Bg5#
- 1...Ra2!
- threat
- 1.Rd2?
- threat
- 2.Rf2#
- 1...Sxe5
- 2.Rd4#
- 1...Bg4
- 2.Bg5#
- 1...Sd4
- 2.Rxd4#
- 1...Sg4
- 2.Bg5#
- 1...Ra2!
- threat
- 1.Rd3?
- threat
- 2.Rf3#
- 2.Qe3#
- 1...Rxe5
- 2.Rf3#
- 2.Qf2#
- 1...Sxe5
- 2.Se2#
- 2.Rd4#
- 2.Qd2#
- 2.Qc1#
- 2.Qe3#
- 1...Ra1
- 2.Rf3#
- 1...Bg4
- 2.Bg5#
- 2.Qe3#
- 1...Sd4
- 2.Rxd4#
- 2.Qe3#
- 1...Sg4
- 2.Bg5#
- 2.Rf3#
- 1...cxd3!
- threat
- 1.Qc3?
- threat
- 2.Se2#
- 1...Rxe5
- 2.Qf3#
- 1...Sd4
- 2.Qxd4#
- 1...Bg4
- 2.Bg5#
- 1...Ra2!
- threat
- 1.Se2+?
- Keys
- 1.Se4!
- threat
- 2.Qg3#
- 1...Kf3
- 2.Qf2#
- 1...Kxe5
- 2.Bc7#
- 1...fxe4
- 2.Qxe4#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(j);SBLOCK,XP(F)::QAR2(B)
- B(c);SBLOCK::B(I)
- S(h);N_GUARD::R(A)
- S(h);N_GUARD::R(A),XS(h)
- S(h);N_GUARD,XB(I)::R(A)
- S(i);SBLOCK::B(I)
- Tries
- Try
- S(D);CHECK
- Refutation
- K(f);S_FLIGHT,XP(F)
- Try
- S(D);XP(g)
- Threat
- QAR1(B)
- Vars
- K(f);P-FLIGHT,XS(D)::QAB1(B)
- R(j);SBLOCK,XP(F)::QAR2(B)
- B(c);SBLOCK,XS(D)::QAB1(B)
- Refutation
- P(e);
- Try
- B(I);
- Threat
- QAB1(B)
- Vars
- R(j);SBLOCK,XP(F)::QAR2(B)
- S(h);N_GUARD::R(A),XS(h)
- Refutation
- S(i);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(j);XP(F)::QAR2(B)
- P(e);::QAR2(B)
- B(c);SBLOCK::B(I)
- S(i);SBLOCK::B(I)
- Refutation
- R(d);
- Try
- R(A);
- Threat
- R(A)
- Vars
- S(h);N_GUARD,XP(F)::R(A)
- B(c);SBLOCK::B(I)
- S(h);N_GUARD::R(A),XS(h)
- S(i);SBLOCK::B(I)
- Refutation
- R(d);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(d);P_PINQ(B)::R1(A)
- Refutation
- P(e);XR(A)
- Try
- Q(B);
- Threat
- S(D)
- Vars
- R(j);SBLOCK,XP(F)::QAR1(B)
- S(h);N_GUARD::QAR2(B),XS(h)
- B(c);SBLOCK::B(I)
- Refutation
- R(d);
- Try
- Actual
- S(D);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,P-FLIGHT::QAR1(B)
- K(f);OGATEB,S_FLIGHT,XP(F)::B(I)
- P(g);OGATE,XS(D)::QAR1(B),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).