MESON Chess Problem Database
Problem Display
PID: 243439 (1KnQ2B1/6p1/5Np1/4k3/2p4N/2pbPp1R/2prn1Pb/4R3 w - - 0 1)
Bednar, Milan
Sachove umeni (Ceskoslovensky sach), 1982
#2
9 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Sg4#
- 1...Bf5
- 2.Sxf3#
- 1...Sc1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Qe7#
- 1...Sd6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...gxf6
- 2.Qd5#
- 1...Be4
- Tries
- 1.Kxc8?
- threat
- 2.Qe7#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Bf5+!
- threat
- 1.Bd5?
- threat
- 2.Sg4#
- 1...Bf5
- 2.Sxf3#
- 1...Sd6
- 2.Qe7#
- 1...gxf6!
- threat
- 1.Rxe2?
- threat
- 2.Qd4#
- 1...Be4
- 2.Sg4#
- 1...Bf5
- 2.Sxf3#
- 1...Sd6
- 2.Qe7#
- 1...Bxe2!
- threat
- 1.Rxf3?
- threat
- 2.Qd5#
- 1...Bf4
- 2.exf4#
- 1...Be4
- 2.Sg4#
- 1...Sf4
- 2.Qd4#
- 2.exf4#
- 1...Sb6
- 2.Qc7#
- 2.Qe7#
- 1...Sd6
- 2.Qe7#
- 1...Se7
- 2.Qc7#
- 2.Qxe7#
- 1...Bf5!
- threat
- 1.Qa5+?
- 1...Kd6
- 2.Qc7#
- 1...Kxf6+!
- 1...Kd6
- 1.Qc7+?
- 1...Sd6
- 2.Qe7#
- 1...Kxf6!
- 1...Sd6
- 1.gxf3?
- threat
- 2.Sg4#
- 1...gxf6
- 2.Qd5#
- 1...Bf5!
- threat
- 1.g4?
- threat
- 2.Sxf3#
- 1...gxf6
- 2.Qd5#
- 1...Se7
- 2.Qxe7#
- 1...Sg1
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...f2
- 2.Sf3#
- 1...Be4!
- threat
- 1.Kxc8?
- Keys
- 1.Ra1!
- threat
- 2.Ra5#
- 1...gxf6
- 2.Qd5#
- 1...Se7
- 2.Qxe7#
- 1...Be4
- 2.Sg4#
- 1...Bf5
- 2.Sxf3#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sb6
- 2.Qe7#
- 1...Sd6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- threat
- 1.Ra1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(f);SBLOCK::S(F)
- B(f);SBLOCK::S(E),XP(g)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(l);N_GUARD::QAR2(H)
- S(l);N_GUARD::QAR2(H),XS(l)
- P(k);SBLOCK,XS(F)::QAR1(H)
- Tries
- Try
- K(G);P-FLIGHT,XS(l)
- Threat
- QAR2(H)
- Vars
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);N_GUARD::QAB1(H)
- Refutation
- B(f);CHECK
- Try
- B(I);
- Threat
- S(F)
- Vars
- B(f);SBLOCK::S(E),XP(g)
- S(l);N_GUARD::QAR2(H)
- Refutation
- P(k);XS(F)
- Try
- R(A);XS(c)
- Threat
- QAB1(H)
- Vars
- B(f);SBLOCK::S(F)
- B(f);SBLOCK::S(E),XP(g)
- S(l);N_GUARD::QAR2(H)
- Refutation
- B(f);XR(A)
- Try
- R(D);XP(g)
- Threat
- QAR1(H)
- Vars
- B(d);OGATE::P(C),XB(d)
- B(f);SBLOCK::S(F)
- S(l);N_GUARD::QAR2(H)
- Refutation
- B(f);
- Try
- Q(H);CHECK
- Vars
- K(i);S_FLIGHT::QAB1(H)
- Refutation
- K(i);CHECK,S_FLIGHT,XS(F)
- Try
- Q(H);CHECK
- Vars
- S(l);N_GUARD,P_SPINS(l)::QAR2(H)
- Refutation
- K(i);P_PINQ(H),S_FLIGHT,XS(F)
- Try
- P(B);XP(g)
- Threat
- S(F)
- Vars
- P(k);SBLOCK,XS(F)::QAR1(H)
- Refutation
- B(f);
- Try
- P(B);
- Threat
- S(E),XP(g)
- Vars
- P(k);SBLOCK,XS(F)::QAR1(H)
- S(l);N_GUARD::QAR2(H),XS(l)
- S(c);N_GUARD::QAB1(H)
- S(c);N_GUARD::QAB1(H),XS(c)
- P(g);::S(E)
- Refutation
- B(f);
- Try
- Actual
- R(A);
- Threat
- R(A)
- Vars
- P(k);SBLOCK,XS(F)::QAR1(H)
- S(l);N_GUARD::QAR2(H),XS(l)
- B(f);SBLOCK::S(F)
- B(f);SBLOCK::S(E),XP(g)
- S(c);N_GUARD::QAB1(H),XS(c)
- S(c);N_GUARD::QAB1(H)
- S(l);N_GUARD::QAR2(H)
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).