MESON Chess Problem Database
Problem Display
PID: 224152 (5n2/rp1b4/pKP1pR2/3Pk1P1/3NPN2/Bp1P4/4P2n/6Q1 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Suomen Shakki, 1996
#2
12 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Sg6
- 2.Sxg6#
- 1...Sh7
- 2.Sg6#
- 1...exd5
- 2.Bd6#
- 1...Sf1
- Tries
- 1.Sc2?
- threat
- 2.Qd4#
- 1...bxc2
- 2.Qa1#
- 1...Sf3!
- threat
- 1.Sxb3?
- threat
- 2.Qd4#
- 2.Qa1#
- 1...exd5
- 2.Bd6#
- 2.Qd4#
- 1...Sf1
- 2.Qd4#
- 1...Sf3!
- threat
- 1.Sb5?
- threat
- 2.Bb2#
- 2.Bd6#
- 2.Qd4#
- 1...exd5
- 2.Bd6#
- 2.Qd4#
- 1...Sf3
- 2.Bd6#
- 1...b2
- 2.Bxb2#
- 2.Bd6#
- 2.Qd4#
- 1...axb5!
- threat
- 1.Sdxe6?
- threat
- 2.Rf5#
- 2.Qd4#
- 1...Sxe6
- 2.Sg6#
- 2.Rf5#
- 1...Sf3
- 2.Rf5#
- 1...Bxe6!
- threat
- 1.Sfxe6?
- threat
- 2.Rf5#
- 2.Qxh2#
- 2.Qg3#
- 1...Sxe6
- 2.Rf5#
- 1...Sf3
- 2.Sxf3#
- 2.Rf5#
- 2.Qg3#
- 1...Sf1
- 2.Sf3#
- 2.Rf5#
- 1...Sg4
- 2.Sf3#
- 2.Rf5#
- 2.Qg3#
- 1...Sg6
- 2.Rf5#
- 1...Bxe6!
- threat
- 1.Bb2?
- threat
- 2.Sb5#
- 1...Kd6
- 2.Sf5#
- 1...exd5
- 2.Sf3#
- 1...Sf3!
- threat
- 1.Rxe6+?
- 1...Kxf4
- 2.Bc1#
- 2.Bd6#
- 2.e3#
- 1...Sxe6
- 2.Sg6#
- 1...Bxe6!
- 1...Kxf4
- 1.Qxh2?
- threat
- 2.Sf3#
- 2.Sfxe6#
- 1...exd5
- 2.Sf3#
- 2.Sfe6#
- 1...Sg6
- 2.Sf3#
- 1...Kxd4!
- threat
- 1.Qa1?
- threat
- 2.Sxb3#
- 2.Sf3#
- 1...exd5
- 2.Sf3#
- 2.Bd6#
- 1...Sf3
- 2.Sxf3#
- 1...b2!
- threat
- 1.Qg3?
- threat
- 2.Sfxe6#
- 1...Kxd4
- 2.Bb2#
- 1...exd5
- 2.Sfe6#
- 1...Sf1
- 2.Sf3#
- 1...Sg6!
- threat
- 1.Sc2?
- Keys
- 1.Sf5!
- threat
- 2.Bd6#
- 1...Kxf4
- 2.Qg3#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(i);N_GUARD::S(G),XS(i)
- S(i);N_GUARD::S(G)
- P(e);XP(H)::B(C)
- Tries
- Try
- S(E);
- Threat
- QAB1(A)
- Vars
- P(b);N_GUARD,XS(E)::QAB(A)
- Refutation
- S(a);
- Try
- S(E);XP(b)
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(A)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(a);::B(C)
- Refutation
- P(d);XS(E)
- Try
- S(E);XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);::R1(L)
- Refutation
- B(h);XS(E)
- Try
- S(G);XP(e)
- Threat
- DUALS(3)
- Vars
- S(i);XS(G)::R1(L)
- S(i);::R1(L)
- Refutation
- B(h);XS(G)
- Try
- B(C);
- Threat
- B(C)+S(E)
- Vars
- K(c);P_SPINP(e),S_FLIGHT::S(E)
- P(e);XP(H)::B(C)+S(E),DCHECK
- Refutation
- S(a);
- Try
- R(L);CHECK,XP(e)
- Vars
- S(i);XR(L)::S(G)
- Refutation
- B(h);XR(L)
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Vars
- S(i);::S(E)
- Refutation
- K(c);S_FLIGHT,XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(A)+S(E),DCHECK,XS(a)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAB(A)+S(G),XP(e)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(E)::B(C)
- P(e);XP(H)::QAB(A)+S(G)
- S(a);N_GUARD::S(E)
- Refutation
- S(i);
- Try
- Actual
- S(E);
- Threat
- B(C)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(G)::QAB1(A)
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).