MESON Chess Problem Database
Problem Display
PID: 169018 (2B5/Bb4K1/4N3/4p1P1/2p1k2p/Rr2NpP1/n1P5/3Q4 w - - 0 1)
Shanshin, Valery Yurevich
SuperProblem, 2017
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc5#
- 1...Rb2
- 2.Sc5#
- 1...Rxa3
- 2.Bxb7#
- 1...Rc3
- 2.Bxb7#
- 1...Rxe3
- 2.Sc5#
- 1...Rb4
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Bd5
- 2.Qxd5#
- 1...Ba6
- 2.Qd5#
- 1...Bxc8
- 2.Qd5#
- 1...f2
- 2.Qg4#
- 2.Qh1#
- 1...c3
- 2.Qd3#
- 1...Rb1
- Tries
- 1.Sxc4?
- threat
- 2.Sd6#
- 2.Sc5#
- 1...Bxc8
- 2.Sd6#
- 1...hxg3
- 2.Sd6#
- 1...Rd3
- 2.Qxd3#
- 1...Rb5
- 2.Sd6#
- 2.Qxf3#
- 2.Qd3#
- 1...Rb6
- 2.Sc5#
- 2.Qxf3#
- 2.Qd3#
- 1...Kf5!
- threat
- 1.Sf4?
- threat
- 2.Bf5#
- 1...Rxe3
- 2.Rxe3#
- 1...Bxc8
- 2.Qd5#
- 1...exf4
- 2.Qd4#
- 1...hxg3!
- threat
- 1.Sc7?
- threat
- 2.Bf5#
- 1...Rxe3
- 2.Rxe3#
- 1...Bxc8
- 2.Qd5#
- 1...hxg3!
- threat
- 1.Sd8?
- threat
- 2.Bf5#
- 1...Rxe3
- 2.Rxe3#
- 1...Bxc8
- 2.Qd5#
- 1...hxg3!
- threat
- 1.Sf8?
- threat
- 2.Bf5#
- 1...Rxe3
- 2.Rxe3#
- 1...Bxc8
- 2.Qd5#
- 1...hxg3!
- threat
- 1.Rxb3?
- threat
- 2.Sc5#
- 2.Bxb7#
- 1...Bxc8
- 2.Sc5#
- 2.Qd5#
- 1...cxb3
- 2.Bxb7#
- 2.Qd3#
- 1...hxg3
- 2.Bxb7#
- 1...Bd5
- 2.Sc5#
- 2.Qxd5#
- 1...Ba6
- 2.Sc5#
- 2.Qd5#
- 1...Bc6
- 2.Sc5#
- 1...Ba8
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...c3
- 2.Bxb7#
- 2.Qd3#
- 1...Sc3!
- threat
- 1.cxb3?
- threat
- 2.Bxb7#
- 2.Qc2#
- 2.Qb1#
- 1...Bxc8
- 2.Qc2#
- 2.Qb1#
- 2.Qd5#
- 1...cxb3
- 2.Bxb7#
- 2.Qb1#
- 1...Bd5
- 2.Qc2#
- 2.Qb1#
- 2.Qxd5#
- 1...Ba6
- 2.Qc2#
- 2.Qb1#
- 2.Qd5#
- 1...Bc6
- 2.Qc2#
- 2.Qb1#
- 1...Ba8
- 2.Qc2#
- 2.Qb1#
- 1...Sc1
- 2.Bxb7#
- 1...Sc3
- 2.Qc2#
- 1...f2
- 2.Bxb7#
- 1...c3
- 2.Bxb7#
- 2.Qc2#
- 1...Sb4!
- threat
- 1.Sxc4?
- Keys
- 1.Sd4!
- threat
- 2.Qxf3#
- 1...Kxe3
- 2.Qe1#
- 1...Rxe3
- 2.Bxb7#
- 1...exd4
- 2.Qxd4#
- 1...Rb6
- 2.Bf5#
- 1...f2
- 2.Qf3#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(b);::S(G)
- R(b);N_GUARD,XR(C)::B(J),XB(h)
- R(b);N_GUARD::B(J),XB(h)
- R(b);XS(D)::S(G)
- B(h);N_GUARD::QAB1(A),XB(h)
- B(h);N_GUARD::QAB1(A)
- B(h);N_GUARD,XB(J)::QAB1(A)
- P(d);N_GUARD,S_CUTR(b)::QAB1(A)
- Tries
- Try
- S(D);XP(d)
- Threat
- DUALS(2)
- Vars
- B(h);XB(J)::S(D)
- P(f);XP(E)::S(D)
- R(b);N_GUARD::QAB1(A),XR(b)
- Refutation
- K(e);S_FLIGHT
- Try
- S(G);
- Threat
- B(J)
- Vars
- R(b);OGATE,XS(D)::R1(C),XR(b)
- B(h);N_GUARD,XB(J)::QAB1(A)
- P(g);N_GUARD,XS(G)::QAR1(A)
- Refutation
- P(f);XP(E)
- Try
- S(G);
- Threat
- B(J)
- Vars
- R(b);OGATE,XS(D)::R1(C),XR(b)
- B(h);N_GUARD,XB(J)::QAB1(A)
- Refutation
- P(f);XP(E)
- Try
- S(G);
- Threat
- B(J)
- Vars
- R(b);OGATE,XS(D)::R1(C),XR(b)
- B(h);N_GUARD,XB(J)::QAB1(A)
- Refutation
- P(f);XP(E)
- Try
- S(G);
- Threat
- B(J)
- Vars
- R(b);OGATE,XS(D)::R1(C),XR(b)
- B(h);N_GUARD,XB(J)::QAB1(A)
- Refutation
- P(f);XP(E)
- Try
- R(C);XR(b)
- Threat
- DUALS(2)
- Vars
- P(f);XP(E)::B(J),XB(h)
- B(h);::S(G)
- S(a);::S(G)
- Refutation
- S(a);
- Try
- P(B);XR(b)
- Threat
- DUALS(3)
- Vars
- S(a);::B(J),XB(h)
- S(a);::QAB(A)
- P(c);::B(J),XB(h)
- Refutation
- S(a);
- Try
- Actual
- S(G);
- Threat
- QAB1(A),XP(c)
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINR(b),XS(D)::QAR2(A)
- R(b);N_GUARD,XS(D)::B(J),XB(h)
- P(g);OGATE,XS(G)::QAR1(A),XP(g)
- R(b);::B(J)
- P(c);::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).