MESON Chess Problem Database
Problem Display
PID: 201763 (K2N3n/8/2P5/2P1kpB1/R1bNPp2/5Qbr/2BR1pPp/5r2 w - - 0 1)
Navon, Emanuel
Belgrade Internet Ty., 2018
#2
12 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bh4
- 2.Qxf4#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- Tries
- 1.Se2?
- threat
- 2.Qc3#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- 2.Qxf4#
- 1...Bd3!
- threat
- 1.Sb3?
- threat
- 2.Qc3#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- 2.Qxf4#
- 1...Bd3!
- threat
- 1.Sb5?
- threat
- 2.Qc3#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- 2.Qxf4#
- 1...Bd3!
- threat
- 1.Sxf5?
- threat
- 2.Qc3#
- 1...Bh4
- 2.Qxf4#
- 1...Bd3!
- threat
- 1.S4e6?
- threat
- 2.Qc3#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- 2.Qxf4#
- 1...Bd3!
- threat
- 1.Qg4?
- threat
- 2.Sf3#
- 2.Qxf5#
- 1...fxe4
- 2.Qf5#
- 1...Bh4
- 2.Qxf5#
- 2.Qxf4#
- 1...Be2
- 2.Qxf5#
- 1...Be6
- 2.Sf3#
- 1...f3
- 2.Sxf3#
- 2.Qxf5#
- 1...fxg4!
- threat
- 1.Qb3?
- threat
- 2.Sf3#
- 2.Qb8#
- 1...Bxb3
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 2.Qd5#
- 2.Qe6#
- 1...Rb1
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Bh4
- 2.Qb8#
- 1...Be2
- 2.Qd5#
- 2.Qe6#
- 2.Qb8#
- 1...Bb5
- 2.Sf3#
- 2.Qd5#
- 2.Qe6#
- 1...Sf7
- 2.Sf3#
- 1...f3
- 2.Sxf3#
- 2.Qb8#
- 1...fxe4!
- threat
- 1.Qc3?
- threat
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.S4e6#
- 1...Bh4
- 2.Sf3#
- 1...Be2
- 2.Sxe2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.S4e6#
- 1...Bb3
- 2.Se2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.S4e6#
- 1...Bb5
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sxb5#
- 2.Sxf5#
- 2.S4e6#
- 1...Be6
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxf5#
- 2.S4xe6#
- 1...f3
- 2.Se2#
- 2.Sb3#
- 2.Sxf3#
- 2.Sb5#
- 2.Sxf5#
- 2.S4e6#
- 1...fxe4!
- threat
- 1.Qd3?
- threat
- 2.Sf3#
- 1...fxe4
- 2.Qxe4#
- 1...f3
- 2.Sxf3#
- 1...Bh4!
- threat
- 1.Qe3?
- threat
- 2.Sf3#
- 1...fxe4
- 2.Qxe4#
- 1...Bh4
- 2.Qxf4#
- 1...f3
- 2.Sxf3#
- 1...Be2!
- threat
- 1.Se2?
- Keys
- 1.Qh5!
- threat
- 2.Sf3#
- 1...fxe4
- 2.Bh4#
- 1...Bh4
- 2.Qxh8#
- 1...Be2
- 2.Qe8#
- 1...f3
- 2.Sxf3#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::QAB1(D),XP(g)
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- Tries
- Try
- S(F);
- Threat
- QAB(D)
- Vars
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- B(d);N_GUARD::QAB1(D),XP(g)
- Refutation
- B(f);
- Try
- S(F);
- Threat
- QAB(D)
- Vars
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- B(d);N_GUARD::QAB1(D),XP(g)
- Refutation
- B(f);
- Try
- S(F);
- Threat
- QAB(D)
- Vars
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- B(d);N_GUARD::QAB1(D),XP(g)
- Refutation
- B(f);
- Try
- S(F);XP(i)
- Threat
- QAB(D)
- Vars
- B(d);N_GUARD::QAB1(D),XP(g)
- Refutation
- B(f);
- Try
- S(F);
- Threat
- QAB(D)
- Vars
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- B(d);N_GUARD::QAB1(D),XP(g)
- Refutation
- B(f);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(i);XP(G)::QAR1(D)
- B(f);::QAR1(D),XP(i)
- B(f);::S(F)
- Refutation
- P(i);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(f);XQ(D)::S(F)
- R(a);::S(F)
- R(e);::S(F)
- B(d);::QAB(D)
- S(j);::S(F)
- Refutation
- P(i);XP(G)
- Try
- Q(D);
- Threat
- DUALS(6)
- Vars
- B(d);::QAB(D)+S(F),DCHECK
- Refutation
- P(i);XP(G)
- Try
- Q(D);
- Threat
- S(F)
- Vars
- P(i);OGATE,XP(G)::QAR1(D),XP(i)
- P(g);::S(F),XP(g)
- Refutation
- B(d);
- Try
- Q(D);
- Threat
- S(F)
- Vars
- P(i);OGATE,P_SPINP(i),XP(G)::QAR1(D),XP(i)
- B(d);N_GUARD::QAB1(D),XP(g)
- P(g);::S(F),XP(g)
- Refutation
- B(f);
- Try
- Actual
- Q(D);
- Threat
- S(F)
- Vars
- P(i);OGATEB,XP(G)::QAR(D)+B(I)
- B(d);S_CUTR(e)::QAB(D),XS(j)
- B(f);N_GUARD::QAR(D)
- P(g);::S(F),XP(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).