MESON Chess Problem Database
Problem Display
PID: 245706 (4r1B1/1nQ1p2K/5NP1/b2NR3/3kP3/2p4R/1nqpr3/8 w - - 0 1)
Wirtanen, Erkki Aukusti
Sachove umeni (Ceskoslovensky sach), 1962
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Sxc3?
- threat
- 2.Sxe2#
- 2.Sb5#
- 2.Rd5#
- 1...Qxe4
- 2.Sb5#
- 1...Qxc3
- 2.Rd5#
- 1...Rxe4
- 2.Sb5#
- 2.Rd5#
- 1...Bxc3
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Sd6
- 2.Rd5#
- 2.Qc5#
- 1...d1Q
- 2.Sb5#
- 2.Rd5#
- 1...d1S
- 2.Sb5#
- 2.Rd5#
- 1...d1B
- 2.Sb5#
- 2.Rd5#
- 1...d1R
- 2.Sb5#
- 2.Rd5#
- 1...Qd1
- 2.Sb5#
- 2.Rd5#
- 1...Qb3
- 2.Sxe2#
- 1...Qd3
- 2.Rd5#
- 1...Qa4
- 2.Sxe2#
- 2.Rd5#
- 1...Re1
- 2.Sb5#
- 2.Rd5#
- 1...Rf2
- 2.Sb5#
- 2.Rd5#
- 1...Rg2
- 2.Sb5#
- 2.Rd5#
- 1...Rh2
- 2.Sb5#
- 2.Rd5#
- 1...Rd8
- 2.Sxe2#
- 2.Sb5#
- 1...Sc5
- 2.Sxe2#
- 2.Sb5#
- 2.Qxc5#
- 1...e6
- 2.Sxe2#
- 2.Sb5#
- 1...Bxc7!
- threat
- 1.Se3?
- threat
- 2.Sxc2#
- 2.Sf5#
- 2.Rd5#
- 1...Kd3
- 2.Rd5#
- 1...Rxe3
- 2.Rd5#
- 1...Bxc7
- 2.Rd5#
- 1...exf6
- 2.Sxc2#
- 2.Sf5#
- 1...Sd6
- 2.Rd5#
- 1...d1Q
- 2.Sf5#
- 2.Rd5#
- 1...d1S
- 2.Sf5#
- 2.Rd5#
- 1...d1B
- 2.Sf5#
- 2.Rd5#
- 1...d1R
- 2.Sf5#
- 2.Rd5#
- 1...Qb1
- 2.Sf5#
- 2.Rd5#
- 1...Qd1
- 2.Sf5#
- 2.Rd5#
- 1...Qb3
- 2.Sf5#
- 1...Qd3
- 2.Sf5#
- 2.Rd5#
- 1...Qa4
- 2.Sf5#
- 2.Rd5#
- 1...Qc1
- 2.Sf5#
- 2.Rd5#
- 1...Rf2
- 2.Sxc2#
- 2.Rd5#
- 1...Rd8
- 2.Sxc2#
- 2.Sf5#
- 1...e6
- 2.Sxc2#
- 1...Qxe4!
- threat
- 1.Sf4?
- threat
- 2.Sxe2#
- 2.Se6#
- 2.Rd5#
- 1...Qxe4
- 2.Se6#
- 1...Rxe4
- 2.Se6#
- 2.Rd5#
- 1...exf6
- 2.Sxe2#
- 1...Sd6
- 2.Rd5#
- 2.Qc5#
- 1...d1Q
- 2.Se6#
- 2.Rd5#
- 1...d1S
- 2.Se6#
- 2.Rd5#
- 1...d1B
- 2.Se6#
- 2.Rd5#
- 1...d1R
- 2.Se6#
- 2.Rd5#
- 1...Qd1
- 2.Se6#
- 2.Rd5#
- 1...Qb3
- 2.Sxe2#
- 1...Qd3
- 2.Se6#
- 2.Rd5#
- 1...Re1
- 2.Se6#
- 2.Rd5#
- 1...Rf2
- 2.Se6#
- 2.Rd5#
- 1...Rg2
- 2.Se6#
- 2.Rd5#
- 1...Rh2
- 2.Se6#
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Rd8
- 2.Sxe2#
- 2.Se6#
- 1...Sc5
- 2.Sxe2#
- 2.Qxc5#
- 1...Sd8
- 2.Sxe2#
- 2.Rd5#
- 2.Qc5#
- 1...e6
- 2.Sxe2#
- 1...Bxc7!
- threat
- 1.Sxc3?
- Keys
- 1.Sb4!
- threat
- 2.Sxc2#
- 2.Sc6#
- 2.Rd5#
- 1...Qxe4
- 2.Qxc3#
- 1...Rxg8
- 2.Sxc2#
- 2.Rd5#
- 1...Bxb4
- 2.Rd5#
- 1...Bxc7
- 2.Sc6#
- 1...exf6
- 2.Sxc2#
- 2.Sc6#
- 1...Sd6
- 2.Sc6#
- 2.Rd5#
- 2.Qc5#
- 1...d1Q
- 2.Sc6#
- 2.Rd5#
- 1...d1S
- 2.Sc6#
- 2.Rd5#
- 1...d1B
- 2.Sc6#
- 2.Rd5#
- 1...d1R
- 2.Sc6#
- 2.Rd5#
- 1...Qb1
- 2.Sc6#
- 2.Rd5#
- 2.Qxc3#
- 1...Qd1
- 2.Sc6#
- 2.Rd5#
- 2.Qxc3#
- 1...Qb3
- 2.Sc6#
- 1...Qd3
- 2.Sc6#
- 2.Rd5#
- 1...Qa4
- 2.Rd5#
- 2.Qxc3#
- 1...Qc1
- 2.Sc6#
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Rd8
- 2.Sxc2#
- 2.Sc6#
- 1...Sc5
- 2.Sxc2#
- 2.Sc6#
- 2.Qxc5#
- 1...Sd8
- 2.Sxc2#
- 2.Rd5#
- 2.Qc5#
- 1...e6
- 2.Sxc2#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(b);P_PINP(F),XP(B)::S(C)
- Q(b);XS(C)::R1(D)
- B(g);XS(C)::R1(D)
- R(d);::R1(D)
- Q(b);::S(C),XR(d)
- Q(b);::R1(D)
- Refutation
- B(g);XQ(G)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- K(f);P-FLIGHT::R(D)
- R(d);XS(C)::R1(D)
- B(g);XQ(G)::R1(D)
- S(h);::R1(D)
- Q(b);::S(C)
- P(i);::S(C),XQ(b)
- Refutation
- Q(b);P_PINP(F),XP(B)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(b);P_PINP(F),XP(B)::S(C)
- P(i);XS(E)::S(C),XR(d)
- Q(b);::S(C),XR(d)
- R(d);::R1(D)
- P(i);::S(C),XR(d)
- Refutation
- B(g);XQ(G)
- Try
- Actual
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD,P_PINP(F),XP(B)::QAB1(G),XP(e)
- B(g);XS(C)::R1(D)
- B(g);XQ(G)::S(C)
- Q(b);::S(C)
- R(d);::R1(D)
- P(i);::S(C),XQ(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).