MESON Chess Problem Database
Problem Display
PID: 245416 (1KBNR1b1/pQ5N/r5p1/3pP1p1/2P1k3/1nB1pR1n/4P3/1r6 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Hlas l'udu, 1989
#2
11 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sf6#
- 1...Ra2
- 2.Sf6#
- 1...Ra3
- 2.Sf6#
- 1...Ra4
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Re6
- 2.Qxd5#
- 1...Rf6
- 2.Sxf6#
- 1...Be6
- 2.Sf6#
- 1...Bxh7
- 2.Qxd5#
- 1...Sa5
- 2.Qxb1#
- 1...Sg1
- 2.Sxg5#
- 1...Sf2
- 2.Sxg5#
- 1...Sf4
- 2.Sxg5#
- 1...Ra1
- Tries
- 1.Bxh3?
- threat
- 2.Sxg5#
- 1...Bxh7
- 2.Qxd5#
- 1...g4
- 2.Sg5#
- 1...Rg1!
- threat
- 1.Be6?
- threat
- 2.Sf6#
- 2.Qxd5#
- 1...Rxe6
- 2.Qxd5#
- 1...Bxe6
- 2.Sf6#
- 1...Bxh7
- 2.Bxd5#
- 2.Qxd5#
- 1...Rd1
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Rb6
- 2.Sf6#
- 1...Rc6
- 2.Sf6#
- 1...Rd6
- 2.Sf6#
- 1...Sa1
- 2.Sf6#
- 1...Sc1
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 1...Sa5
- 2.Sf6#
- 2.Qxb1#
- 1...Sc5
- 2.Sf6#
- 1...Sf4
- 2.Sxg5#
- 2.Sf6#
- 1...Sd4!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 2.Qxd5#
- 1...Rxe6
- 2.Qxd5#
- 1...Bxe6
- 2.Sf6#
- 1...Bxh7
- 2.Qxd5#
- 1...Rd1
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Rb6
- 2.Sf6#
- 1...Rc6
- 2.Sf6#
- 1...Rd6
- 2.Sf6#
- 1...Sa1
- 2.Sf6#
- 1...Sc1
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 1...Sd4
- 2.Sf6#
- 1...Sa5
- 2.Sf6#
- 2.Qxb1#
- 1...Sc5
- 2.Sf6#
- 1...Sf4!
- threat
- 1.Qb6?
- threat
- 2.Sf6#
- 2.Qxe3#
- 1...Bxh7
- 2.Qxe3#
- 1...dxc4
- 2.Sf6#
- 1...axb6
- 2.Sf6#
- 1...Sa1
- 2.Sf6#
- 1...Sc1
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 1...Sd4
- 2.Sf6#
- 1...Sa5
- 2.Sf6#
- 2.Qxb1#
- 1...Sc5
- 2.Sf6#
- 1...d4
- 2.Sf6#
- 1...Rxb6+!
- threat
- 1.Bxh3?
- Keys
- 1.Se6!
- threat
- 2.Sf6#
- 2.Qxd5#
- 1...Rxe6
- 2.Qxd5#
- 1...Bxe6
- 2.Sf6#
- 1...Bxh7
- 2.Qxd5#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sexg5#
- 1...Rd1
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Rb6
- 2.Sf6#
- 1...Rc6
- 2.Sf6#
- 1...Rd6
- 2.Sf6#
- 1...Sa1
- 2.Sc5#
- 2.Sf6#
- 1...Sc1
- 2.Sc5#
- 2.Sf6#
- 1...Sd2
- 2.Sc5#
- 2.Sf6#
- 1...Sa5
- 2.Sc5#
- 2.Sf6#
- 2.Qxb1#
- 1...Sc5
- 2.Sxc5#
- 2.Sf6#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD::S(G)
- R(h);S_CUTB(k)::QAB1(F),XP(f)
- R(h);N_GUARD::S(G),XR(h)
- B(k);S_CUTR(h)::S(G)
- B(k);N_GUARD,XS(G)::QAB1(F),XP(f)
- S(b);OGATE,P_PINQ(F)::QAB(F),XR(a)
- S(d);N_GUARD::S(G),XP(g)
- Tries
- Try
- B(I);XS(d)
- Threat
- S(G),XP(g)
- Vars
- B(k);N_GUARD,XS(G)::QAB1(F),XP(f)
- P(g);::S(G)
- Refutation
- R(a);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(h);XB(I)::QAB1(F),XP(f)
- B(k);XB(I)::S(G)
- R(a);::S(G)
- R(h);::S(G)
- R(h);P_PINQ(F)::S(G)
- R(h);N_SPINP(f)::S(G)
- S(b);P_PINQ(F)::S(G)
- Refutation
- S(b);P_PINQ(F)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- R(h);XR(K)::QAB1(F),XP(f)
- B(k);XR(K)::S(G)
- B(k);XS(G)::QAB1(F),XP(f)
- R(a);::S(G)
- R(h);::S(G)
- R(h);P_PINQ(F)::S(G)
- R(h);N_SPINP(f)::S(G)
- S(b);P_PINQ(F)::S(G)
- Refutation
- S(d);
- Try
- Q(F);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- B(k);XS(G)::QAR1(F),XP(c)
- P(f);XP(D)::S(G)
- P(j);XQ(F)::S(G)
- S(b);P_PINQ(F)::S(G)
- P(f);::S(G)
- Refutation
- R(h);CHECK,XQ(F)
- Try
- Actual
- S(J);
- Threat
- DUALS(2)
- Vars
- R(h);XS(J)::QAB1(F),XP(f)
- B(k);XS(J)::S(G)
- B(k);XS(G)::QAB1(F),XP(f)
- S(b);N_GUARD,P_PINQ(F)::S(J)
- S(d);N_GUARD::S(J),XP(g)
- R(a);::S(G)
- R(h);::S(G)
- R(h);P_PINQ(F)::S(G)
- R(h);N_SPINP(f)::S(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).