MESON Chess Problem Database
Problem Display
PID: 201773 (8/4Q1nK/3N4/1PpkbP1p/2r5/2p2P2/4N2q/5BB1 w - - 0 1)
Kashcheev, Niktopolion Pavlovich
Land og Folk, 1966
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Sxc3#
- 1...Re4
- 2.fxe4#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...Rd4
- Tries
- 1.Sxc3+?
- 1...Bxc3
- 2.Bxc4#
- 1...Rxc3!
- 1...Bxc3
- 1.Sxc4?
- threat
- 2.Se3#
- 2.Sb6#
- 2.Qxc5#
- 1...Qxg1
- 2.Sb6#
- 1...Qxe2
- 2.Sb6#
- 2.Qxc5#
- 1...Sxf5
- 2.Sb6#
- 2.Qf7#
- 1...Qf4
- 2.Sb6#
- 2.Qxc5#
- 1...Qf2
- 2.Sb6#
- 1...Bd4
- 2.Sb6#
- 1...Bf4
- 2.Sxc3#
- 2.Sb6#
- 2.Qxc5#
- 2.Qe4#
- 1...Bd6
- 2.Sxc3#
- 2.Se3#
- 2.Sb6#
- 2.Qe4#
- 1...Bc7
- 2.Sxc3#
- 2.Se3#
- 2.Qxc5#
- 2.Qe4#
- 1...Se6
- 2.Se3#
- 2.Sb6#
- 2.Qxe6#
- 1...Kxc4!
- threat
- 1.Se4?
- threat
- 2.Qb7#
- 1...Rxe4
- 2.Qxc5#
- 1...Sxf5
- 2.Qf7#
- 1...Ra4
- 2.Qxc5#
- 1...Rb4
- 2.Qxc5#
- 1...Rd4
- 2.S2xc3#
- 2.Qxc5#
- 1...Bg3
- 2.Sf6#
- 1...Bf4
- 2.Sf6#
- 1...Bd6
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bc7
- 2.Sf6#
- 1...Bb8
- 2.Sf6#
- 1...Bd4!
- threat
- 1.Sc8?
- threat
- 2.Sb6#
- 2.Qb7#
- 1...Sxf5
- 2.Sb6#
- 2.Qf7#
- 1...Ra4
- 2.Sb6#
- 2.Qxc5#
- 1...Rb4
- 2.Sb6#
- 2.Qxc5#
- 1...Rd4
- 2.Sxc3#
- 2.Sb6#
- 1...Re4
- 2.Sb6#
- 2.Qxc5#
- 1...Rf4
- 2.Sb6#
- 2.Qxc5#
- 1...Rg4
- 2.Sb6#
- 2.Qxc5#
- 1...Rh4
- 2.Sb6#
- 2.Qxc5#
- 1...Bg3
- 2.Sb6#
- 1...Bd4
- 2.Sb6#
- 2.Qe4#
- 1...Bf4
- 2.Sb6#
- 1...Bd6
- 2.Sb6#
- 1...Bf6
- 2.Sb6#
- 1...Bb8
- 2.Sb6#
- 1...Bc7!
- threat
- 1.Qf7+?
- 1...Se6
- 2.Qxe6#
- 1...Kxd6!
- 1...Se6
- 1.Sxc3+?
- Keys
- 1.Se8!
- threat
- 2.Qb7#
- 1...Sxf5
- 2.Qf7#
- 1...Sxe8
- 2.Qe6#
- 1...Ra4
- 2.Qxc5#
- 1...Rb4
- 2.Qxc5#
- 1...Rd4
- 2.Sxc3#
- 1...Re4
- 2.Qxc5#
- 1...Rf4
- 2.Qxc5#
- 1...Rg4
- 2.Qxc5#
- 1...Rh4
- 2.Qxc5#
- 1...Bc7
- 2.Sf6#
- 1...Bg3
- 2.Sf6#
- 1...Bd4
- 2.Qe4#
- 1...Bf4
- 2.Sf6#
- 1...Bd6
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bb8
- 2.Sf6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 13
- REMOVED MATES = 1
- Sets
- R(c);N_GUARD,S_CUTB(f)::S(C),XP(b)
- R(c);OGATE::P(D),XR(c)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(h);N_GUARD::QAB1(H)
- Tries
- Try
- S(C);CHECK,XP(b)
- Vars
- B(f);XS(C)::B(A),XR(c)
- Refutation
- R(c);XS(C)
- Try
- S(G);XR(c)
- Threat
- DUALS(3)
- Vars
- Q(a);XB(B)::S(G)
- Q(a);::S(G)
- B(f);::S(G)
- Refutation
- K(e);S_FLIGHT,XS(G)
- Try
- S(G);
- Threat
- QAB(H)
- Vars
- R(c);N_GUARD,XS(G)::QAR1(H),XP(d)
- S(h);N_GUARD,XP(F)::QAB(H)
- R(c);N_GUARD::QAR1(H),XP(d)
- B(f);N_GUARD::S(G)
- B(f);N_GUARD::S(G),XB(f)
- Refutation
- B(f);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(f);::S(G)
- Refutation
- B(f);
- Try
- Q(H);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB1(H),XS(h)
- Refutation
- K(e);P-FLIGHT,XS(G)
- Try
- Actual
- S(G);
- Threat
- QAB(H)
- Vars
- S(h);N_GUARD,XP(F)::QAB(H)
- S(h);N_GUARD,XS(G)::QAB1(H)
- R(c);N_GUARD::QAR1(H),XP(d)
- R(c);N_GUARD,S_CUTB(f)::S(C),XP(b)
- B(f);N_GUARD::S(G)
- B(f);OGATE::QAB1(H)
- B(f);N_GUARD::S(G),XB(f)
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).