MESON Chess Problem Database
Problem Display
PID: 156546 (2r5/b1pR4/r2Bq3/Q2N2R1/1nbkp3/3pp3/1K1N4/8 w - - 0 1)
Amirov, Talip Khasanovich
Probleemblad, 1979
#2
7 + 11
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Be5#
- 1...Qg4
- 2.Be5#
- 1...Qxd5
- 2.Be5#
- 1...Qxd7
- 2.Be5#
- 1...Qf7
- 2.Be5#
- 1...Qg8
- 2.Be5#
- 1...Qe5
- 2.Bxe5#
- 1...Qg6
- 2.Be5#
- 1...Qh6
- 2.Be5#
- 1...Rb6
- 2.Bc5#
- 2.Qc5#
- 1...Bc5
- 2.Bxc5#
- 2.Qxc5#
- 1...Bb8
- 2.Bc5#
- 2.Qc5#
- 1...Sc2
- 2.Qc3#
- 1...Sc6
- 2.Qc3#
- 1...Qh3
- Tries
- 1.Sb6?
- threat
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 1...Qxd6
- 2.Qc5#
- 2.Qe5#
- 1...Rxa5
- 2.Bc5#
- 1...Bxb6
- 2.Bc5#
- 2.Be5#
- 1...exd2
- 2.Bc5#
- 2.Qc5#
- 1...cxb6
- 2.Bc5#
- 2.Be5#
- 1...e2
- 2.Bc5#
- 2.Qc5#
- 1...Qd5
- 2.Bc5#
- 2.Be5#
- 1...Qf5
- 2.Be5#
- 1...Qe5
- 2.Bc5#
- 2.Bxe5#
- 2.Qxe5#
- 1...Bb5
- 2.Bc5#
- 1...Bd5
- 2.Bc5#
- 2.Qc5#
- 1...Sd5
- 2.Bc5#
- 2.Qc5#
- 1...c5
- 2.Bxc5#
- 2.Be5#
- 1...cxd6!
- threat
- 1.Qxb4?
- threat
- 2.Sb3#
- 2.Qc3#
- 2.Qxc4#
- 1...Qxd5
- 2.Sb3#
- 2.Be5#
- 2.Qc3#
- 1...Qxd6
- 2.Sb3#
- 2.Qxc4#
- 1...Rxd6
- 2.Sb3#
- 2.Qxc4#
- 1...exd2
- 2.Qc3#
- 1...cxd6
- 2.Sb3#
- 1...Qf5
- 2.Qxc4#
- 1...Qe5
- 2.Bxe5#
- 2.Qxc4#
- 1...Ra3
- 2.Qxc4#
- 1...Ra4
- 2.Sb3#
- 2.Qc3#
- 1...Rb6
- 2.Sb3#
- 2.Bc5#
- 1...Rc6
- 2.Sb3#
- 2.Qc3#
- 1...Rb8
- 2.Sb3#
- 1...Ra2+!
- threat
- 1.Sb6?
- Keys
- 1.Sxc7!
- threat
- 2.Bc5#
- 2.Be5#
- 1...Qxd7
- 2.Be5#
- 2.Qe5#
- 1...Qxd6
- 2.Qe5#
- 1...Rxa5
- 2.Bc5#
- 1...Rxd6
- 2.Qxa7#
- 1...exd2
- 2.Bc5#
- 1...e2
- 2.Bc5#
- 1...Qd5
- 2.Be5#
- 1...Qf5
- 2.Be5#
- 1...Qe5
- 2.Bc5#
- 2.Bxe5#
- 2.Qxe5#
- 1...Bb5
- 2.Sxb5#
- 2.Sxe6#
- 2.Bc5#
- 1...Bd5
- 2.Sb5#
- 1...Bc5
- 2.Bxc5#
- 2.Be5#
- 2.Qxc5#
- 1...Sd5
- 2.Sxe6#
- threat
- 1.Sxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 10
- Sets
- Q(h);N_GUARD::B(F)
- Q(h);N_GUARD,XS(D)::B(F)
- Q(h);N_GUARD,XR(G)::B(F)
- Q(h);N_GUARD::B(F),XQ(h)
- S(c);OGATE::QAB1(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(g);XQ(C)::R(G)+B(F),DCHECK
- Q(h);::R(G)+B(F),DCHECK
- B(d);::R(G)+B(F),DCHECK
- Refutation
- P(j);P_SPINP(j),XB(F)
- Try
- Q(C);P_PINB(d),XS(c)
- Threat
- DUALS(3)
- Vars
- P(b);XS(B)::QAB1(C)
- P(j);XB(F)::S(B)
- Q(h);::QAR1(C),XB(d)
- R(g);::QAR1(C),XB(d)
- R(k);P_PINQ(C)::S(B)
- Refutation
- R(g);CHECK
- Try
- Actual
- S(D);XP(j)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XB(F)::QAB1(C)
- R(g);XQ(C)::R(G)+B(F),DCHECK
- R(g);OGATE,P_SPINR(g),XB(F)::QAB(C),XB(i)
- P(b);XS(B)::R(G)+B(F),DCHECK
- P(b);::R(G)+B(F),DCHECK
- Q(h);::B(F)
- Q(h);::R(G)+B(F),DCHECK
- B(d);N_GUARD::S(D)
- S(c);S_CUTB(d)::S(D),XQ(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).