MESON Chess Problem Database
Problem Display
PID: 246336 (1R3K1n/P4P1b/rp4kr/3B1p1N/8/7p/3BQ1pP/5R2 w - - 0 1)
Dikusarov, Andrey Nikolayovich
Shakhmatnaya Poeziya, 2004
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxb6#
- 1...Ra2
- 2.Rxb6#
- 1...Ra3
- 2.Rxb6#
- 1...Ra4
- 2.Rxb6#
- 1...Ra5
- 2.Rxb6#
- 1...Rxa7
- 2.Rxb6#
- 1...Rxh5
- 2.Qe6#
- 1...Bg8
- 2.fxg8Q#
- 1...Sxf7
- 2.Bxf7#
- 1...g1Q
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...f4
- 2.Qg4#
- 1...Ra1
- Tries
- 1.Ke8?
- threat
- 2.f8S#
- 1...Sxf7
- 2.Bxf7#
- 1...f4
- 2.Qg4#
- 1...Rxh5!
- threat
- 1.Sf4+?
- 1...Kf6
- 2.Qe7#
- 1...Kg5!
- 1...Kf6
- 1.Be4?
- threat
- 2.Bxf5#
- 2.Qg4#
- 1...Sxf7
- 2.Bxf5#
- 1...gxf1Q
- 2.Qg4#
- 1...gxf1S
- 2.Qg4#
- 1...gxf1B
- 2.Qg4#
- 1...gxf1R
- 2.Qg4#
- 1...fxe4
- 2.Rf6#
- 2.Qg4#
- 1...Bg8
- 2.Bxf5#
- 2.fxg8Q#
- 1...g1Q
- 2.Bxf5#
- 2.Rxg1#
- 1...g1R
- 2.Bxf5#
- 2.Rxg1#
- 1...Ra5
- 2.Rxb6#
- 2.Qg4#
- 1...Rxh5!
- threat
- 1.Rb1?
- 1...Rxa7
- 2.R1xb6#
- 2.R8xb6#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...g1Q
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...Ra1
- 2.R1xb6#
- 2.R8xb6#
- 1...Ra2
- 2.R1xb6#
- 2.R8xb6#
- 1...Ra3
- 2.R1xb6#
- 2.R8xb6#
- 1...Ra4
- 2.R1xb6#
- 2.R8xb6#
- 1...Ra5
- 2.R1xb6#
- 2.R8xb6#
- 1...b5!
- 1...Rxa7
- 1.Rc1?
- threat
- 2.Rc6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...b5!
- threat
- 1.Rd1?
- 1...Rxa7
- 2.Rxb6#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...g1Q
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...Ra1
- 2.Rxb6#
- 1...Ra2
- 2.Rxb6#
- 1...Ra3
- 2.Rxb6#
- 1...Ra4
- 2.Rxb6#
- 1...Ra5
- 2.Rxb6#
- 1...b5!
- 1...Rxa7
- 1.Re1?
- 1...Rxa7
- 2.Rxb6#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...g1Q
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...Ra1
- 2.Rxb6#
- 1...Ra2
- 2.Rxb6#
- 1...Ra3
- 2.Rxb6#
- 1...Ra4
- 2.Rxb6#
- 1...Ra5
- 2.Rxb6#
- 1...b5!
- 1...Rxa7
- 1.Rg1?
- 1...Rxa7
- 2.Rxb6#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...Ra1
- 2.Rxb6#
- 1...Ra2
- 2.Rxb6#
- 1...Ra3
- 2.Rxb6#
- 1...Ra4
- 2.Rxb6#
- 1...Ra5
- 2.Rxb6#
- 1...b5!
- 1...Rxa7
- 1.Rxf5?
- threat
- 2.Rg5#
- 2.Rf6#
- 2.Qg4#
- 2.Qe6#
- 1...Kxf5
- 2.Qe4#
- 1...Rxh5
- 2.Qxh5#
- 2.Qe6#
- 1...Sxf7
- 2.Rf6#
- 2.Qe6#
- 1...g1Q
- 2.Rf6#
- 2.Qe6#
- 1...g1R
- 2.Rf6#
- 2.Qe6#
- 1...b5
- 2.Rg5#
- 2.Qg4#
- 1...Ra4
- 2.Rg5#
- 2.Rf6#
- 2.Qe6#
- 1...Bg8!
- threat
- 1.Rc8?
- threat
- 2.Rc6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...b5!
- threat
- 1.Rd8?
- threat
- 2.Rd6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...b5!
- threat
- 1.Re8?
- threat
- 2.Re6#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...b5!
- threat
- 1.Qxg2+?
- 1...Kxh5
- 2.Qg5#
- 1...hxg2!
- 1...Kxh5
- 1.Qe3?
- threat
- 2.Qg5#
- 2.Qxh6#
- 1...Kxh5
- 2.Qg5#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.Qxh6#
- 1...g1Q
- 2.Qxh6#
- 1...g1R
- 2.Qxh6#
- 1...f4!
- threat
- 1.a8Q?
- threat
- 2.Qc6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...b5
- 2.Qxa6#
- 1...Rxa8!
- threat
- 1.Ke8?
- Keys
- 1.Ra1!
- 1...Rxa1
- 2.Rxb6#
- 1...Rxa7
- 2.Rxb6#
- 1...Rxh5
- 2.Qe6#
- 1...Sxf7
- 2.Bxf7#
- 1...Bg8
- 2.fxg8Q#
- 1...f4
- 2.Qg4#
- 1...g1Q
- 2.Rxg1#
- 1...g1S
- 2.Rxg1#
- 1...g1B
- 2.Rxg1#
- 1...g1R
- 2.Rxg1#
- 1...Ra2
- 2.Rxb6#
- 1...Ra3
- 2.Rxb6#
- 1...Ra4
- 2.Rxb6#
- 1...Ra5
- 2.Rxb6#
- 1...b5
- 2.Rxa6#
- 1...Rxa1
- 1.Ra1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::R(I),XP(e)
- R(d);N_GUARD,XP(G)::R(I),XP(e)
- R(g);SBLOCK,XS(F)::QAR2(C)
- B(h);OGATE::PXB(h)=Q
- S(i);OGATE,XP(H)::B(E),XS(i)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- P(c);N_GUARD::QAR2(C)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- P=S
- Vars
- S(i);OGATE,XP(H)::B(E),XS(i)
- P(c);N_GUARD::QAR2(C)
- Refutation
- R(g);XS(F)
- Try
- S(F);CHECK
- Vars
- K(f);P-FLIGHT::QAB1(C)
- Refutation
- K(f);P-FLIGHT
- Try
- B(E);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- S(i);XP(H)::B(E),XP(c)
- P(a);XR(A)::QAR2(C)
- Refutation
- R(g);XS(F)
- Try
- R(A);
- Vars
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- R(A)
- Vars
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- R(d);N_GUARD,XP(G)::R(I),XP(e)
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(d);N_GUARD::R(I),XP(e)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- R(d);N_GUARD,XP(G)::R(I),XP(e)
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(d);N_GUARD::R(I),XP(e)
- Refutation
- P(e);
- Try
- R(A);P_PINP(a)
- Vars
- R(d);N_GUARD,XP(G)::R(I),XP(e)
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- R(d);N_GUARD::R(I),XP(e)
- Refutation
- P(e);
- Try
- R(A);XP(c)
- Threat
- DUALS(4)
- Vars
- K(f);OGATEB,S_FLIGHT,XR(A)::QAB1(C)
- Refutation
- B(h);
- Try
- R(I);
- Threat
- R(I)
- Vars
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- Refutation
- P(e);
- Try
- R(I);
- Threat
- R(I)
- Vars
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- Refutation
- P(e);
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- Refutation
- P(e);
- Try
- Q(C);CHECK,XP(a)
- Vars
- K(f);S_FLIGHT,XS(F)::QAR1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(f);S_FLIGHT,XS(F)::QAR1(C)
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);::QAR1(C),XR(g)
- P(a);::QAR1(C),XR(g)
- Refutation
- P(c);
- Try
- P(G);
- Threat
- QAR(G)
- Vars
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- P(e);OGATEB::QAR(G),XR(d)
- Refutation
- R(d);P_PINR(I),XQ(G)
- Try
- Actual
- R(A);
- Vars
- R(d);N_GUARD,XR(A)::R(I),XP(e)
- R(d);N_GUARD,XP(G)::R(I),XP(e)
- R(g);SBLOCK,XS(F)::QAR2(C)
- S(i);OGATE,XP(H)::B(E),XS(i)
- B(h);OGATE::PXB(h)=Q
- P(c);N_GUARD::QAR2(C)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(d);N_GUARD::R(I),XP(e)
- P(e);OGATEB::R(A),XR(d)
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).