MESON Chess Problem Database
Problem Display
PID: 160947 (5Q2/1ppBN3/1B2P1pp/6nR/2k1p3/P3P1p1/2K2b2/8 w - - 0 1)
Agarkov, Anatoly Yakovlevich
Source?, 1981
#2
9 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qf1#
- 1...Bg1
- 2.Qf1#
- 1...Bxe3
- 2.Qf1#
- 1...Sf3
- 2.Bb5#
- 2.Rc5#
- 1...Sh3
- 2.Bb5#
- 2.Rc5#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 1...Sf7
- 2.Bb5#
- 2.Rc5#
- 1...Sh7
- 2.Bb5#
- 2.Rc5#
- 1...cxb6
- 2.Qc8#
- 1...Be1
- Tries
- 1.Sc8?
- threat
- 2.Qc5#
- 1...Kd5
- 2.Qc5#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 2.Qb4#
- 1...cxb6
- 2.Sxb6#
- 1...c5
- 2.Qxc5#
- 1...Bxe3!
- threat
- 1.Rxg5?
- threat
- 2.Bb5#
- 2.Rc5#
- 1...Bxe3
- 2.Bb5#
- 2.Qf1#
- 1...cxb6
- 2.Bb5#
- 2.Qc8#
- 1...c5
- 2.Rxc5#
- 1...c6
- 2.Rc5#
- 1...hxg5!
- threat
- 1.Qg7?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Bxe3
- 2.Qc3#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 2.Qc3#
- 1...Be1
- 2.Qd4#
- 1...Sf3
- 2.Bb5#
- 2.Rc5#
- 2.Qc3#
- 1...c5
- 2.Qc3#
- 1...c6!
- threat
- 1.Qf5?
- threat
- 2.Bb5#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Bxe3
- 2.Bb5#
- 2.Qf1#
- 2.Qb5#
- 2.Qd5#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 2.Qxe6#
- 2.Qb5#
- 2.Qd5#
- 1...cxb6
- 2.Bb5#
- 2.Qb5#
- 2.Qd5#
- 1...c5
- 2.Qxc5#
- 2.Qd5#
- 1...c6
- 2.Qc5#
- 1...gxf5!
- threat
- 1.Qf6?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Bxe3
- 2.Qc3#
- 2.Qf1#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 2.Qc3#
- 2.Qxe6#
- 1...Be1
- 2.Qd4#
- 2.Qf1#
- 1...Sf3
- 2.Bb5#
- 2.Rc5#
- 2.Qc3#
- 1...c5
- 2.Qc3#
- 1...c6!
- threat
- 1.Qa8?
- threat
- 2.Qa4#
- 1...cxb6
- 2.Qc8#
- 1...Be1!
- threat
- 1.Qe8?
- threat
- 2.Bb5#
- 1...cxb6
- 2.Qc8#
- 1...c6!
- threat
- 1.Qh8?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Bxe3
- 2.Qc3#
- 1...Sxe6
- 2.Bb5#
- 2.Bxe6#
- 2.Qc3#
- 1...Be1
- 2.Qd4#
- 1...Sf3
- 2.Bb5#
- 2.Rc5#
- 2.Qc3#
- 1...c5
- 2.Qc3#
- 1...c6!
- threat
- 1.Sc8?
- Keys
- 1.Sd5!
- threat
- 2.Qc5#
- 1...Kxd5
- 2.Qc5#
- 1...Bxe3
- 2.Sxe3#
- 1...Sxe6
- 2.Qb4#
- 1...cxb6
- 2.Sxb6#
- 1...c5
- 2.Qxc5#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(a);OGATE::QAB(I)
- B(a);OGATE,XP(C)::QAB(I)
- P(i);OGATEB,XB(E)::QAR(I)
- Tries
- Try
- S(H);
- Threat
- QAR1(I)
- Vars
- K(c);P_SPINS(e),S_FLIGHT::QAR1(I)
- P(i);XB(E)::S(H),XP(i)
- P(i);::QAR1(I),XP(i)
- Refutation
- B(a);XP(C)
- Try
- R(D);XS(e)
- Threat
- DUALS(2)
- Vars
- P(i);::R1(D),XP(i)
- P(i);::R1(D)
- Refutation
- P(g);XR(D)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::QAR1(I)
- B(a);::QAR1(I)
- P(i);::QAR1(I)
- Refutation
- P(i);
- Try
- Q(I);
- Threat
- DUALS(4)
- Vars
- P(i);::QAR1(I)
- Refutation
- P(f);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(i);::QAR1(I)
- Refutation
- P(i);
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- P(i);OGATEB,XB(E)::QAR(I)
- Refutation
- B(a);
- Try
- Q(I);
- Threat
- B(G)
- Vars
- P(i);OGATEB,XB(E)::QAR(I)
- Refutation
- P(i);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::QAR1(I)
- B(a);::QAR1(I)
- P(i);::QAR1(I)
- Refutation
- P(i);
- Try
- Actual
- S(H);
- Threat
- QAR1(I)
- Vars
- K(c);P_SPINS(e),S_FLIGHT,XS(H)::QAR1(I)
- B(a);XP(C)::S(H),XB(a)
- S(e);XP(F)::QAR1(I)
- P(i);XB(E)::S(H),XP(i)
- P(i);::QAR1(I),XP(i)
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).