MESON Chess Problem Database
Problem Display
PID: 245592 (B1N5/3nr3/1rn2R1N/2p1k1Bp/R1p2pb1/KppQ4/8/4b3 w - - 0 1)
Slesarenko, Anatoly Vasilevich
ChessStar, 2019
#2
8 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Sf7#
- 1...Rf7
- 2.Sxf7#
- 1...Re8
- 2.Sf7#
- 1...Sb4
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Sa5
- 2.Qe4#
- 2.Qd5#
- 1...Sa7
- 2.Qe4#
- 2.Qd5#
- 1...Scb8
- 2.Qe4#
- 2.Qd5#
- 1...Sd8
- 2.Qe4#
- 2.Qd5#
- 1...h4
- 2.Sxg4#
- 1...Re6
- Tries
- 1.Sxe7?
- threat
- 2.Sf7#
- 2.Sg6#
- 2.Qd5#
- 1...Sxe7
- 2.Sf7#
- 2.Qe4#
- 1...cxd3
- 2.Sf7#
- 1...Bf3
- 2.Sf7#
- 2.Sg6#
- 1...Bf5
- 2.Sf7#
- 2.Qd5#
- 1...Be6
- 2.Sg6#
- 1...Sb4
- 2.Sf7#
- 2.Sg6#
- 2.Qe4#
- 1...Sd4
- 2.Sf7#
- 2.Sg6#
- 2.Qe4#
- 1...Sd8
- 2.Sg6#
- 2.Qe4#
- 2.Qd5#
- 1...Sf8
- 2.Sf7#
- 2.Qd5#
- 1...Sxf6!
- threat
- 1.Bxc6?
- threat
- 2.Qe4#
- 2.Qd5#
- 2.Qd6#
- 1...Sxf6
- 2.Qd6#
- 1...cxd3
- 2.Re4#
- 1...Re6
- 2.Sf7#
- 2.Qe4#
- 2.Qd5#
- 1...Bf3
- 2.Qd6#
- 1...Bf5
- 2.Qd5#
- 2.Qd6#
- 1...Be6
- 2.Qe4#
- 2.Qd6#
- 1...Rxc6!
- threat
- 1.Rxc4?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd6#
- 1...Sxf6
- 2.Qd6#
- 1...Rb4
- 2.Qe4#
- 2.Qd6#
- 1...Re6
- 2.Sf7#
- 2.Re4#
- 2.Qe4#
- 1...Bf3
- 2.Qf5#
- 2.Qd6#
- 1...Bf5
- 2.Qxf5#
- 2.Qd6#
- 1...Sb4
- 2.Re4#
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Sa5
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Sa7
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Scb8
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Sd8
- 2.Re4#
- 2.Qe4#
- 2.Qd5#
- 1...Ra6+!
- threat
- 1.Rxf4?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qd6#
- 1...Ke6
- 2.Qd6#
- 1...Re6
- 2.Sf7#
- 2.Re4#
- 2.Qe4#
- 1...Bf3
- 2.Qf5#
- 2.Qd6#
- 1...Bf5
- 2.Qxf5#
- 2.Qd6#
- 1...Sb4
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 1...Sd4
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 1...Sa5
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 2.Qd5#
- 1...Sa7
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 2.Qd5#
- 1...Scb8
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 2.Qd5#
- 1...Sd8
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 2.Qd5#
- 1...Sf6
- 2.Qd6#
- 1...cxd3!
- threat
- 1.Rf5+?
- 1...Ke6
- 2.Qxc4#
- 2.Qd5#
- 2.Qd6#
- 1...Bxf5!
- 1...Ke6
- 1.Re6+?
- 1...Kxe6
- 2.Qd6#
- 1...Rxe6
- 2.Sf7#
- 1...Bxe6!
- 1...Kxe6
- 1.Qe2+?
- 1...Kd4
- 2.Rd6#
- 1...Kd5
- 2.Rd6#
- 1...Bxe2!
- 1...Kd4
- 1.Qxc4?
- threat
- 2.Qe4#
- 1...Sxf6
- 2.Bxf4#
- 1...Bf3
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Sd4
- 2.Qd5#
- 1...Rb4!
- threat
- 1.Qe3+?
- 1...Kd5
- 2.Sxe7#
- 2.Rd6#
- 1...fxe3!
- 1...Kd5
- 1.Sxe7?
- Keys
- 1.Rd6!
- threat
- 2.Qd5#
- 1...cxd3
- 2.Bxf4#
- 1...Bf3
- 2.Qf5#
- 1...Be6
- 2.Qe2#
- 1...Sb4
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Sf6
- 2.Bxf6#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(m);N_GUARD::S(F)
- R(m);N_GUARD::S(F),XR(m)
- S(k);::QAR1(B)
- P(i);N_GUARD::S(F),XB(f)
- Tries
- Try
- S(H);XR(m)
- Threat
- DUALS(3)
- Vars
- P(d);XQ(B)::S(F)
- B(f);::S(H)
- Refutation
- S(l);XR(E)
- Try
- B(G);XS(k)
- Threat
- DUALS(3)
- Vars
- S(l);XR(E)::QAB1(B)
- P(d);OGATE,XQ(B)::R1(C)
- B(f);::QAB1(B)
- Refutation
- R(j);XB(G)
- Try
- R(C);XP(d)
- Threat
- DUALS(3)
- Vars
- S(l);XR(E)::QAB1(B)
- S(k);::QAR1(B)
- Refutation
- R(j);CHECK
- Try
- R(E);XP(e)
- Threat
- DUALS(3)
- Vars
- K(h);P-FLIGHT::QAR1(B)
- S(l);::QAB1(B)
- Refutation
- P(d);XQ(B)
- Try
- R(E);CHECK
- Refutation
- B(f);XR(E)
- Try
- R(E);CHECK
- Vars
- K(h);P-FLIGHT,XR(E)::QAR1(B)
- R(m);SBLOCK,XR(E)::S(F)
- Refutation
- B(f);XR(E)
- Try
- Q(B);CHECK
- Vars
- K(h);P_SPINP(d),S_FLIGHT::R(E)
- K(h);P-FLIGHT,P_SPINS(k)::R1(E)
- Refutation
- B(f);XQ(B)
- Try
- Q(B);XP(d)
- Threat
- QAR1(B)
- Vars
- S(l);SBLOCK,XR(E)::B(D),XP(e)
- B(f);N_GUARD::R1(E)
- B(f);N_GUARD::R1(E),XB(f)
- S(k);::QAR1(B)
- Refutation
- R(j);
- Try
- Q(B);CHECK
- Refutation
- P(e);XQ(B)
- Try
- Actual
- R(E);
- Threat
- QAR1(B)
- Vars
- P(d);XQ(B)::B(D),XP(e)
- B(f);N_GUARD::QAR1(B)
- B(f);N_GUARD::QAR(B)
- S(k);::QAR1(B)
- S(l);N_GUARD::B(D),XS(l)
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).