MESON Chess Problem Database
Problem Display
PID: 77701 (3BQ1r1/2Np4/5p1p/rRq3kP/3p2P1/2n2PP1/b2N4/7K w - - 0 1)
Aliovsadzade, Rauf Gadzhiaga ogli
StrateGems, 2007
#2
10 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Qxg8#
- 1...Qe5
- 2.Qxe5#
- 1...Rg6
- 2.Qxg6#
- 1...Rf8
- 2.Qg6#
- 1...Rh8
- 2.Qg6#
- 1...Bd5
- 2.Qe5#
- 1...Sb1
- 2.Se4#
- 1...Sd1
- 2.Se4#
- 1...Se2
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sxb5
- 2.Se4#
- 1...Sd5
- 2.Se4#
- 2.Qe5#
- 2.Qxg8#
- 1...d3
- 2.Qe3#
- 1...d5
- 2.Se6#
- 2.Qe5#
- 2.Qxg8#
- 1...Qd5
- Tries
- 1.Sd5?
- threat
- 2.Bxf6#
- 2.Qe5#
- 2.Qxg8#
- 1...Qxd5
- 2.Qxg8#
- 1...Rxe8
- 2.Bxf6#
- 1...Bxd5
- 2.Qe5#
- 1...Sxd5
- 2.Se4#
- 2.Qe5#
- 2.Qxg8#
- 1...Qb6
- 2.Qe5#
- 2.Qxg8#
- 1...Qd6
- 2.Qxg8#
- 1...Qf8
- 2.Qe5#
- 1...Qc6
- 2.Qe5#
- 2.Qxg8#
- 1...Qc7
- 2.Bxf6#
- 2.Qxg8#
- 1...Ra6
- 2.Qe5#
- 2.Qxg8#
- 1...Rg6
- 2.Qxg6#
- 2.Qe5#
- 1...Rg7
- 2.Bxf6#
- 2.Qe5#
- 1...Rf8
- 2.Qg6#
- 2.Qe5#
- 1...Rh8
- 2.Bxf6#
- 2.Qg6#
- 2.Qe5#
- 1...Bb1
- 2.Bxf6#
- 1...Se4
- 2.Sxe4#
- 2.Qe5#
- 2.Qxg8#
- 1...d6
- 2.Bxf6#
- 2.Qxg8#
- 1...Qe7!
- threat
- 1.Se6+?
- 1...dxe6
- 2.Qxg8#
- 1...Bxe6!
- 1...dxe6
- 1.Rxc5+?
- 1...Bd5
- 2.Qe5#
- 2.Qxg8#
- 1...Sd5
- 2.Se4#
- 2.Qe5#
- 2.Qxg8#
- 1...d5
- 2.Se6#
- 2.Qe5#
- 2.Qxg8#
- 1...Rxc5!
- 1...Bd5
- 1.Qe2?
- threat
- 2.f4#
- 1...Sxe2
- 2.Se4#
- 1...Bd5
- 2.Qe5#
- 1...Sd5
- 2.Se4#
- 2.Qe5#
- 1...Qd5!
- threat
- 1.Qe4?
- threat
- 2.Qf4#
- 1...Sxe4
- 2.Sxe4#
- 1...Sd5
- 2.Qf5#
- 2.Qe5#
- 1...Se2!
- threat
- 1.Sd5?
- Keys
- 1.Qxd7!
- threat
- 2.f4#
- 1...Qd5
- 2.Se6#
- 1...Qf5
- 2.Qxf5#
- 1...Bd5
- 2.Qf5#
- 1...Be6
- 2.Sxe6#
- 1...Se2
- 2.Se4#
- 1...Sd5
- 2.Se4#
- 2.Se6#
- 2.Qf5#
- threat
- 1.Qxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(e);P_PINP(C),S_CUTB(a)::QAR(J),XR(j)
- Q(e);N_GUARD::QAR2(J),XQ(e)
- R(j);N_GUARD::QAR1(J),XR(j)
- R(j);N_GUARD::QAR1(J)
- B(a);N_SPINQ(e),P_PINP(C),S_CUTQ(e)::QAR2(J)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(b);N_GUARD,N_SPINQ(e),XR(F)::S(B)
- P(c);N_GUARD::QAB(J)
- Tries
- Try
- S(H);N_PINQ(e)
- Threat
- DUALS(3)
- Vars
- Q(e);P_PINP(C),P_SPINQ(e),XS(H)::QAR(J),XR(j)
- R(j);XQ(J)::B(I),XP(g)
- B(a);P_PINP(C),XS(H)::QAR2(J)
- Q(e);::QAR(J),XR(j)
- Q(e);::QAR2(J)
- B(a);::B(I),XP(g)
- Refutation
- Q(e);N_SPINP(g)
- Try
- S(H);CHECK
- Vars
- P(i);XS(H)::QAR(J),XR(j)
- Refutation
- B(a);XS(H)
- Try
- R(F);CHECK,XQ(e)
- Refutation
- R(d);XR(F)
- Try
- Q(J);
- Threat
- P(C)
- Vars
- S(b);N_GUARD,XQ(J)::S(B)
- B(a);N_SPINQ(e),P_PINP(C),S_CUTQ(e)::QAR2(J)
- Refutation
- Q(e);P_PINP(C)
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- S(b);XQ(J)::S(B),XS(b)
- Refutation
- S(b);
- Try
- Actual
- Q(J);XP(i)
- Threat
- P(C)
- Vars
- Q(e);P_PINP(C),S_CUTB(a)::S(H)
- Q(e);N_GUARD::QAR1(J),XQ(e)
- B(a);N_SPINQ(e),P_PINP(C),S_CUTQ(e)::QAR1(J)
- B(a);N_GUARD::S(H),XB(a)
- S(b);N_GUARD::S(B)
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).