MESON Chess Problem Database
Problem Display
PID: 237814 (K3N1Q1/B3p2p/1R2p3/2k4r/2P5/Pbn2Nnq/B2PP3/brR5 w - - 0 1)
Pituk, Alexander
Arbejder-Skak, 1949
#2
12 + 11
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Ba4
- 2.d4#
- 1...Sd1
- 2.Ra6#
- 2.Rd6#
- 2.Rxe6#
- 1...Sxa2
- 2.Ra6#
- 2.Rd6#
- 2.Rxe6#
- 1...Scxe2
- 2.Ra6#
- 2.Rd6#
- 2.Rxe6#
- 1...Sce4
- 2.Ra6#
- 2.Rd6#
- 2.Rxe6#
- 1...e5
- 2.Ra6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Bd1
- Tries
- 1.Sd6?
- threat
- 2.Ra6#
- 2.Qc8#
- 2.d4#
- 1...Bxa2
- 2.Qc8#
- 2.d4#
- 1...Sxa2
- 2.Sb7#
- 2.Ra6#
- 2.Qc8#
- 1...Scxe2
- 2.Sb7#
- 2.Ra6#
- 2.Qc8#
- 1...Sgxe2
- 2.Ra6#
- 2.Qc8#
- 1...exd6
- 2.Qc8#
- 1...Qg4
- 2.Ra6#
- 2.Qc8#
- 1...Qh4
- 2.Ra6#
- 2.Qc8#
- 1...Rh4
- 2.Ra6#
- 2.Qc8#
- 1...Rd5
- 2.Ra6#
- 2.Qc8#
- 1...Bd1
- 2.Sb7#
- 2.Qc8#
- 2.d4#
- 1...Bc2
- 2.Sb7#
- 2.Qc8#
- 2.d4#
- 1...Ba4
- 2.Sb7#
- 2.d4#
- 1...Sd1
- 2.Sb7#
- 2.Ra6#
- 2.Qc8#
- 1...Sa4
- 2.Sb7#
- 2.Qc8#
- 1...Sce4
- 2.Sb7#
- 2.Ra6#
- 2.Qc8#
- 1...Sb5
- 2.Sb7#
- 1...Sd5
- 2.Sb7#
- 1...Sf5
- 2.Ra6#
- 2.Qc8#
- 1...e5
- 2.Sb7#
- 2.Ra6#
- 1...Bxc4!
- threat
- 1.Rxb3+?
- 1...Kxc4
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb4#
- 1...Kc6!
- 1...Kxc4
- 1.Rb7+?
- 1...Kc6
- 2.Sd4#
- 2.Rc7#
- 1...Kxc4!
- 1...Kc6
- 1.Qxe6?
- threat
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 2.d4#
- 1...Bxa2
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rc6#
- 2.Qc6#
- 2.d4#
- 1...Bxc4
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Qxc4#
- 2.Qc6#
- 2.d4#
- 1...Sxa2
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 2.Qxe7#
- 1...Scxe2
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 2.Qxe7#
- 1...Sgxe2
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 1...Rd5
- 2.Rb4#
- 2.Rc6#
- 2.Qc6#
- 1...Qg4
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 1...Qh4
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc8#
- 2.Qc6#
- 1...Rh4
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 1...Rh6
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.d4#
- 1...Bd1
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rc6#
- 2.Qe3#
- 2.Qc6#
- 2.Qxe7#
- 2.d4#
- 1...Bc2
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rc6#
- 2.Qe3#
- 2.Qc6#
- 2.Qxe7#
- 2.d4#
- 1...Ba4
- 2.Rbxb1#
- 2.Rb2#
- 2.Rb3#
- 2.Rb4#
- 2.Rb5#
- 2.Rc6#
- 2.Qe3#
- 2.Qxe7#
- 2.d4#
- 1...Sd1
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 2.Qxe7#
- 1...Sa4
- 2.Rb5#
- 2.Rc6#
- 2.Qc6#
- 2.Qxe7#
- 1...Sce4
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc6#
- 1...Sb5
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Sd5
- 2.Rb5#
- 2.Rc6#
- 2.Qc6#
- 1...Sf5
- 2.Rxb3#
- 2.Rb4#
- 2.Rb5#
- 2.Ra6#
- 2.Rc6#
- 2.Rd6#
- 2.Rb7#
- 2.Rb8#
- 2.Qc8#
- 2.Qc6#
- 1...Qxe6!
- threat
- 1.Sd6?
- Keys
- 1.Sf6!
- threat
- 2.Qc8#
- 1...Kxc4
- 2.Rb4#
- 1...Ba4
- 2.d4#
- 1...Sb5
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...e5
- 2.Ra6#
- threat
- 1.Sf6!
Anticipated by 11305(1938)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(c);::P(C)
- Tries
- Try
- S(K);
- Threat
- DUALS(3)
- Vars
- P(j);XS(K)::QAR(L)
- S(d);::S(K)
- Refutation
- B(c);XP(G)
- Try
- R(H);CHECK,XB(c)
- Refutation
- K(g);P-FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(g);P-FLIGHT,P_SPINB(c),P_SPINP(i),P_SPINS(d),XP(G)
- Try
- Q(L);XP(i)
- Threat
- DUALS(10)
- Refutation
- Q(f);XQ(L)
- Try
- Actual
- S(K);
- Threat
- QAR(L)
- Vars
- K(g);P-FLIGHT,P_SPINB(c),P_SPINP(i),P_SPINS(d),XP(G)::R1(H)
- B(c);::P(C)
- S(d);::S(K)
- P(i);::B(I)+R(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).