MESON Chess Problem Database
Problem Display
PID: 177820 (5B1K/3R3p/Q1b1pp2/2p1k3/1r1p2RN/2P5/1N1rPP2/7n w - - 0 1)
Bavilov, V
Sahs (Latvia), 1986
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Sd3#
- 1...Rxe2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rb3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rb5
- 2.Sc4#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg2
- 2.Qd6#
- 1...Bf3
- 2.Qd6#
- 1...Ba4
- 2.Qd6#
- 1...Be4
- 2.Qd6#
- 2.f4#
- 1...Bb5
- 2.Qd6#
- 1...Bd5
- 2.Bd6#
- 2.Qd6#
- 1...Bb7
- 2.Qd6#
- 1...Bxd7
- 2.Qd6#
- 1...Ba8
- 2.Qd6#
- 1...f5
- 2.Bg7#
- 1...Rc2
- Tries
- 1.Re4+?
- 1...Bxe4
- 2.Qd6#
- 1...Kxe4!
- 1...Bxe4
- 1.Qc4?
- threat
- 2.Bd6#
- 1...Rxc4
- 2.Sxc4#
- 1...Bxd7
- 2.Qxc5#
- 1...dxc3
- 2.f4#
- 1...f5
- 2.Bg7#
- 1...Rb8!
- threat
- 1.Qc8?
- threat
- 2.Qc7#
- 1...Bxd7
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Rb7
- 2.Sc4#
- 1...dxc3!
- threat
- 1.Qa5?
- threat
- 2.Qc7#
- 1...Bxd7
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...dxc3!
- threat
- 1.Qb6?
- threat
- 2.Qc7#
- 1...Rxb6
- 2.Sc4#
- 1...Bxd7
- 2.Qxc5#
- 2.Qd6#
- 1...f5
- 2.Bg7#
- 1...dxc3!
- threat
- 1.Qxc6?
- threat
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...Rxe2
- 2.Sd3#
- 2.Bd6#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...Sxf2
- 2.Bd6#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...f5
- 2.Bg7#
- 1...Rc4
- 2.Sxc4#
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...Rb5
- 2.Sc4#
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...Rb6
- 2.Sc4#
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qxc5#
- 2.f4#
- 1...Rb7
- 2.Sc4#
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qxc5#
- 2.Qd6#
- 2.f4#
- 1...Rb8
- 2.Sc4#
- 2.Re4#
- 2.Qe4#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...Sg3
- 2.Bd6#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...d3
- 2.Bd6#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...c4
- 2.Bd6#
- 2.Re4#
- 2.Qe4#
- 2.Qc5#
- 2.Qd6#
- 2.Qc7#
- 2.f4#
- 1...dxc3!
- threat
- 1.Qa7?
- threat
- 2.Qc7#
- 1...Bxd7
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...Rb7
- 2.Sc4#
- 1...Bb7
- 2.Qb8#
- 1...dxc3!
- threat
- 1.e4?
- threat
- 2.Sf3#
- 2.Bd6#
- 1...Rxf2
- 2.Sd3#
- 2.Bd6#
- 1...Bxe4
- 2.Qd6#
- 2.f4#
- 1...dxc3
- 2.Sf3#
- 1...f5
- 2.Bg7#
- 1...Rd3
- 2.Sxd3#
- 2.Bd6#
- 1...Rb8
- 2.Sc4#
- 2.Sf3#
- 1...dxe4 ep!
- threat
- 1.cxb4?
- threat
- 2.Sc4#
- 1...Bxd7
- 2.Qd6#
- 1...f5
- 2.Bg7#
- 1...Rc2
- 2.Sd3#
- 1...Bb5
- 2.Qd6#
- 1...Bd5
- 2.Bd6#
- 2.Qd6#
- 1...c4
- 2.Sxc4#
- 1...Rxb2!
- threat
- 1.c4?
- threat
- 2.Bd6#
- 1...Rxc4
- 2.Sxc4#
- 1...f5
- 2.Bg7#
- 1...Rb8!
- threat
- 1.Re4+?
- Keys
- 1.Qd3!
- threat
- 2.f4#
- 1...Rxd3
- 2.Sxd3#
- 1...Bxd7
- 2.Qe4#
- 1...Sxf2
- 2.Qg3#
- 1...dxc3
- 2.Bd6#
- 1...f5
- 2.Bg7#
- 1...Bf3
- 2.Sxf3#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,XP(B)::S(A)
- R(b);N_GUARD::S(A),XR(b)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD,P_PINB(I)::S(A)
- B(g);OGATE::QAB1(G)
- B(g);OGATE,XR(H)::QAB1(G)
- P(i);OGATEB::B(I)
- Tries
- Try
- R(E);CHECK
- Vars
- B(g);OGATE,SBLOCK,XR(E)::QAB1(G)
- Refutation
- K(f);P-FLIGHT,XR(E)
- Try
- Q(G);
- Threat
- B(I)
- Vars
- R(c);XQ(G)::S(A),XR(c)
- B(g);N_GUARD,XR(H)::QAR2(G),XP(e)
- P(d);XP(D)::P(C)
- P(i);OGATEB::B(I)
- Refutation
- R(c);P_PINB(I)
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- B(g);OGATE,XR(H)::QAR2(G),XP(e)
- P(i);OGATEB::B(I)
- R(c);N_GUARD::S(A)
- Refutation
- P(d);XP(D)
- Try
- Q(G);P_PINP(e)
- Threat
- QAB(G)
- Vars
- B(g);N_GUARD,XR(H)::QAR2(G),XP(e)
- P(i);OGATEB::B(I)
- R(c);N_GUARD::S(A)
- Refutation
- P(d);XP(D)
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- R(c);N_GUARD,XQ(G)::S(A)
- P(i);OGATEB::B(I)
- Refutation
- P(d);XP(D)
- Try
- Q(G);XB(g)
- Threat
- DUALS(7)
- Vars
- P(i);OGATEB::B(I)
- Refutation
- P(d);XP(D)
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- B(g);N_GUARD,XR(H)::QAR2(G),XP(e)
- P(i);OGATEB::B(I)
- R(c);N_GUARD::S(A)
- B(g);S_CUTR(c)::QAB(G)
- Refutation
- P(d);XP(D)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- P(d);XP(D)::S(F)
- P(i);OGATEB::B(I)
- Refutation
- P(d);EP,XP(B)
- Try
- P(D);XR(c)
- Threat
- S(A)
- Vars
- B(g);OGATE,XR(H)::QAB1(G)
- P(i);OGATEB::B(I)
- R(b);N_GUARD::S(A)
- B(g);OGATE::QAB1(G)
- P(e);::S(A),XP(e)
- Refutation
- R(b);XS(A)
- Try
- P(D);
- Threat
- B(I)
- Vars
- R(c);XP(D)::S(A),XR(c)
- P(i);OGATEB::B(I)
- Refutation
- R(c);P_PINB(I)
- Try
- Actual
- Q(G);
- Threat
- P(C)
- Vars
- R(b);XQ(G)::S(A),XR(b)
- B(g);N_GUARD,XR(H)::QAR1(G)
- S(a);N_GUARD,XP(C)::QAB(G)
- P(d);XP(D)::B(I)
- P(i);OGATEB::B(I)
- B(g);N_GUARD::S(F),XB(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).