MESON Chess Problem Database
Problem Display
PID: 96506 (3r1r1b/1b1B1n1N/3p4/4B2R/2P1k1PR/1n3pP1/2P2Q2/4K3 w - - 0 1)
Leites, Samuil Davidovich
Problemas, 1976
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Bf5#
- 1...Bf6
- 2.Sxf6#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sc5
- 2.Qd4#
- 1...Sxe5
- 2.Sg5#
- 1...dxe5
- 2.Bf5#
- 2.g5#
- 1...Bxe5
- Tries
- 1.Kf1?
- threat
- 2.Qe1#
- 1...Bxe5
- 2.Bf5#
- 1...Sxe5
- 2.Sg5#
- 1...dxe5
- 2.Bf5#
- 2.g5#
- 1...Sc1
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd2+!
- threat
- 1.Bf4?
- threat
- 2.Bf5#
- 2.Qe3#
- 1...Rxd7
- 2.Qe3#
- 1...Bc8
- 2.Qe3#
- 1...Bd4
- 2.Bf5#
- 1...Sd4
- 2.Qe3#
- 1...Se5
- 2.Sg5#
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 2.Qe3#
- 1...Sh6
- 2.Sg5#
- 2.Qe3#
- 1...Bc3+!
- threat
- 1.Bf6?
- threat
- 2.Bf5#
- 2.g5#
- 1...Bxf6
- 2.Sxf6#
- 1...Bc8
- 2.g5#
- 1...Sd4
- 2.Qxd4#
- 2.g5#
- 1...Se5
- 2.Sg5#
- 2.Bf5#
- 1...Sg5
- 2.Sxg5#
- 2.Bf5#
- 1...Sh6
- 2.Sg5#
- 1...Rxd7!
- threat
- 1.Bg7?
- threat
- 2.Sf6#
- 2.Bf5#
- 2.g5#
- 1...Rxd7
- 2.Sf6#
- 1...Bc8
- 2.Sf6#
- 2.g5#
- 1...Sd4
- 2.Sf6#
- 2.Qxd4#
- 2.g5#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sh6
- 2.Sg5#
- 1...Bxg7!
- threat
- 1.Bxh8?
- threat
- 2.Sf6#
- 2.Bf5#
- 2.g5#
- 1...Rxd7
- 2.Sf6#
- 1...Rxh8
- 2.Sf6#
- 1...Bc8
- 2.Sf6#
- 2.g5#
- 1...Sd4
- 2.Sf6#
- 2.Qxd4#
- 2.g5#
- 1...Se5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sh6
- 2.Sg5#
- 1...Sxh8!
- threat
- 1.Rf5?
- threat
- 2.Qxf3#
- 2.g5#
- 1...Rxd7
- 2.Qxf3#
- 1...Sxe5
- 2.Sg5#
- 1...dxe5
- 2.g5#
- 1...Sd2
- 2.Qd4#
- 2.g5#
- 1...Sd4
- 2.Qxd4#
- 2.g5#
- 1...Sg5
- 2.Sxg5#
- 1...Sh6
- 2.Sg5#
- 2.Qxf3#
- 1...Bxe5!
- threat
- 1.Kf1?
- Keys
- 1.Kd1!
- threat
- 2.Qe1#
- 1...Bxe5
- 2.Bf5#
- 1...Sxe5
- 2.Sg5#
- 1...dxe5
- 2.g5#
- 1...Sc1
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- threat
- 1.Kd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(i);SBLOCK,XB(H)::B(J)
- B(i);N_GUARD::S(K),XB(i)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- S(f);N_GUARD,SBLOCK,XB(H)::S(K)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- QAR(C)
- Vars
- B(i);SBLOCK,XB(H)::B(J)
- S(f);N_GUARD,SBLOCK,XB(H)::S(K)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(a)
- Refutation
- S(a);CHECK
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(g);XB(J)::QAR1(C)
- B(e);::QAR1(C)
- B(i);::B(J)
- S(a);::QAR1(C)
- Refutation
- B(i);CHECK
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- B(i);XB(H)::S(K),XB(i)
- B(e);::R(G)+P(F)
- S(f);N_GUARD::S(K)
- Refutation
- R(g);XB(J)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- R(g);XB(J)::S(K)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- B(i);XB(H)
- Try
- B(H);XB(i)
- Threat
- DUALS(3)
- Vars
- R(g);XB(J)::S(K)
- R(h);XB(H)::S(K)
- S(f);N_GUARD::S(K)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- S(f);XB(H)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(g);XB(J)::QAB1(C),XP(b)
- S(f);N_GUARD,XB(H)::S(K)
- P(d);XB(H)::R(G)+P(F)
- S(f);N_GUARD::S(K),XS(f)
- Refutation
- B(i);XB(H)
- Try
- Actual
- K(A);P-FLIGHT
- Threat
- QAR(C)
- Vars
- B(i);SBLOCK,XB(H)::B(J)
- S(f);N_GUARD,SBLOCK,XB(H)::S(K)
- P(d);P_PINB(J),SBLOCK,XB(H)::R(G)+P(F)
- S(a);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAR1(C),XS(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).