MESON Chess Problem Database
Problem Display
PID: 240030 (8/8/3N1pQ1/B1p1k2p/3R4/3bp2P/B1n5/6K1 w - - 0 1)
Mosiashvili, Givi
Shakhmaty v SSSR, 1971
#2
7 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qxf6#
- 1...Bf1
- 2.Qe4#
- 1...Be2
- 2.Qe4#
- 1...Bc4
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bb5
- 2.Qe4#
- 1...Ba6
- 2.Qe4#
- 1...Sxd4
- 2.Qg3#
- 1...cxd4
- 2.Qg3#
- 1...f5
- 2.Qg7#
- 1...Kxd4
- Tries
- 1.Bc3?
- threat
- 2.Sf7#
- 2.Qe8#
- 2.Qg3#
- 1...Sxd4
- 2.Qg3#
- 1...cxd4
- 2.Qg3#
- 1...Bc4
- 2.Qe4#
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 2.Qg3#
- 1...c4
- 2.Qe8#
- 1...Bf5
- 2.Sf7#
- 2.Qxf5#
- 2.Qg3#
- 1...Bb5
- 2.Sf7#
- 2.Qe4#
- 2.Qf5#
- 2.Qg3#
- 1...h4
- 2.Sf7#
- 2.Qe8#
- 1...f5
- 2.Sf7#
- 2.Re4#
- 2.Qe6#
- 2.Qg7#
- 1...Bxg6!
- threat
- 1.Bd8?
- threat
- 2.Bxf6#
- 2.Qxf6#
- 1...Kxd4
- 2.Bxf6#
- 2.Qxf6#
- 1...Sxd4
- 2.Qg3#
- 2.Qxf6#
- 1...cxd4
- 2.Qg3#
- 2.Qxf6#
- 1...Bc4
- 2.Qe4#
- 2.Qxf6#
- 1...Be4
- 2.Qxe4#
- 2.Qxf6#
- 1...c4
- 2.Qxf6#
- 1...f5
- 2.Bf6#
- 2.Qf6#
- 2.Qg7#
- 1...Bxg6!
- threat
- 1.Rxd3?
- threat
- 2.Qe4#
- 2.Qf5#
- 2.Qg3#
- 1...Sd4
- 2.Qg3#
- 1...c4
- 2.Qe4#
- 2.Qf5#
- 1...h4
- 2.Qe4#
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...Kf4!
- threat
- 1.Rd5+?
- 1...Ke6
- 2.Qf7#
- 2.Qe8#
- 1...Kf4!
- 1...Ke6
- 1.Qf5+?
- 1...Kxd4
- 2.Qd5#
- 2.Qxf6#
- 1...Bxf5!
- 1...Kxd4
- 1.Qxh5+?
- 1...Kxd4
- 2.Qd5#
- 1...f5
- 2.Qh8#
- 1...Bf5!
- 1...Kxd4
- 1.Qg2?
- threat
- 2.Qd5#
- 1...Kxd4
- 2.Qd5#
- 1...Sxd4
- 2.Qh2#
- 2.Qg3#
- 1...cxd4
- 2.Qh2#
- 2.Qg3#
- 1...Bc4
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...f5
- 2.Qg7#
- 1...Sb4!
- threat
- 1.Qg4?
- threat
- 2.Sf7#
- 2.Rd5#
- 2.Qf4#
- 1...Sxd4
- 2.Sf7#
- 2.Qg3#
- 1...cxd4
- 2.Sf7#
- 2.Qg3#
- 1...Be4
- 2.Qxe4#
- 1...f5
- 2.Qg7#
- 1...Bf5
- 2.Sf7#
- 2.Qf4#
- 1...Bc4
- 2.Sxc4#
- 2.Qe4#
- 1...Bg6
- 2.Sc4#
- 2.Rd5#
- 2.Qf4#
- 1...Sb4
- 2.Sf7#
- 2.Qf4#
- 1...c4
- 2.Sf7#
- 1...hxg4!
- threat
- 1.Qg5+?
- 1...Kxd4
- 2.Qxf6#
- 2.Qd5#
- 1...Bf5
- 2.Qf4#
- 1...f5
- 2.Qg7#
- 1...fxg5!
- 1...Kxd4
- 1.Bc3?
- Keys
- 1.Se4!
- threat
- 2.Qxf6#
- 1...Kxd4
- 2.Bc3#
- 1...Kf4
- 2.Qxf6#
- 1...Bxe4
- 2.Qxe4#
- 1...Sxd4
- 2.Bc7#
- 1...cxd4
- 2.Bc7#
- 1...f5
- 2.Qd6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(e);S_FLIGHT,XR(D)::QAB(G),XP(g)
- B(b);N_GUARD::QAR1(G)
- B(b);N_GUARD::QAR1(G),XB(b)
- S(a);SBLOCK,XR(D)::QAB(G)
- P(d);SBLOCK,XR(D)::QAB(G)
- P(g);OGATEB::QAB(G)
- Tries
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- S(a);P_SPINS(a),XR(D)::QAB(G)
- P(d);P_SPINP(d),XR(D)::QAB(G)
- P(d);::QAR(G)
- Refutation
- B(b);XQ(G)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- P(d);::QAB1(G),XP(g)
- Refutation
- B(b);XQ(G)
- Try
- R(D);XB(b)
- Threat
- DUALS(3)
- Vars
- S(a);::QAB(G)
- P(g);::QAR1(G),XP(g)
- Refutation
- K(e);S_FLIGHT
- Try
- R(D);CHECK
- Refutation
- K(e);S_FLIGHT
- Try
- Q(G);CHECK
- Refutation
- B(b);XQ(G)
- Try
- Q(G);CHECK,XP(f)
- Vars
- K(e);OGATE,S_FLIGHT,XR(D)::QAR1(G)
- P(g);OGATEB,P_SPINP(g)::QAB(G)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- K(e);S_FLIGHT,XR(D)::QAR1(G)
- B(b);N_GUARD::QAR1(G)
- B(b);N_GUARD::QAR1(G),XB(b)
- P(g);OGATEB::QAB(G)
- Refutation
- S(a);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(b);N_GUARD::QAR1(G),XB(b)
- P(g);OGATEB::QAB(G)
- P(d);::S(F)
- Refutation
- P(f);XQ(G)
- Try
- Q(G);CHECK
- Vars
- B(b);P_SPINB(b)::QAB1(G)
- P(g);OGATEB,P_SPINP(g)::QAB(G)
- Refutation
- P(g);XQ(G)
- Try
- Actual
- S(F);
- Threat
- QAB1(G),XP(g)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(D)::B(E)
- K(e);S_FLIGHT::QAR2(G),XP(g)
- B(b);OGATE,XS(F)::QAR1(G),XB(b)
- S(a);SBLOCK,XR(D)::B(E)
- P(d);SBLOCK,XR(D)::B(E)
- P(g);OGATE,SBLOCK::QAB1(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).