MESON Chess Problem Database
Problem Display
PID: 74103 (5b1B/1Kp4n/B1R2n2/3N1Q2/1p1krP2/3P2qR/5P2/7b w - - 0 1)
Buchwald, Julius
Suomen Shakki, 1947
#2
10 + 9
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Rc4#
- 1...Qh2
- 2.Rc4#
- 1...Qxf4
- 2.Rc4#
- 1...Qh4
- 2.Rc4#
- 1...Qg1
- 2.Rc4#
- 1...Qg2
- 2.Rc4#
- 1...Qxd3
- 2.Rxd3#
- 1...Qg4
- 2.Rc4#
- 1...Qg5
- 2.Rc4#
- 1...Qg6
- 2.Rc4#
- 1...Qg7
- 2.Rc4#
- 1...Qg8
- 2.Rc4#
- 1...Re1
- 2.Rc4#
- 1...Re2
- 2.Rc4#
- 1...Re3
- 2.Rc4#
- 1...Rxf4
- 2.Rc4#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Rc4#
- 1...Re7
- 2.Rc4#
- 1...Re8
- 2.Rc4#
- 1...Qxf2
- Tries
- 1.Sc3?
- threat
- 2.Qd5#
- 1...Rxf4
- 2.Se2#
- 2.Sb5#
- 1...Bc5
- 2.Qxc5#
- 1...Qg5
- 2.Sb5#
- 2.Rc4#
- 1...Qg7
- 2.Sb5#
- 2.Rc4#
- 1...Qg8
- 2.Sb5#
- 1...Re1
- 2.Sb5#
- 1...Re2
- 2.Sxe2#
- 2.Sb5#
- 1...Re3
- 2.Sb5#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Sb5#
- 1...Re7
- 2.Sb5#
- 2.Qc5#
- 1...Re8
- 2.Sb5#
- 1...Bg7
- 2.Qc5#
- 1...bxc3!
- threat
- 1.Se7?
- threat
- 2.Qd7#
- 2.Qc5#
- 2.Qd5#
- 1...Qxf4
- 2.Rc4#
- 2.Qc5#
- 2.Qd5#
- 1...Qxh3
- 2.Qc5#
- 2.Qd5#
- 1...Rxf4
- 2.Qc5#
- 1...Rxe7
- 2.Qc5#
- 1...Qg4
- 2.Rc4#
- 2.Qc5#
- 2.Qd5#
- 1...Qg5
- 2.Rc4#
- 1...Qg7
- 2.Rc4#
- 2.Qc5#
- 1...Qg8
- 2.Qc5#
- 1...Re1
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Re3
- 2.Qc5#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Qc5#
- 1...Bg7
- 2.Qc5#
- 1...Bxe7!
- threat
- 1.Bxf6+?
- 1...Re5
- 2.Qxe5#
- 1...Sxf6!
- 1...Re5
- 1.dxe4?
- threat
- 2.Qe5#
- 1...Qxf4
- 2.Rd3#
- 2.Rc4#
- 1...Qg5
- 2.Rd3#
- 2.Rc4#
- 1...Bd6!
- threat
- 1.Sc3?
- Keys
- 1.Sxc7!
- threat
- 2.Qd5#
- 1...Rxf4
- 2.Sb5#
- 2.Se6#
- 1...Bc5
- 2.Qxc5#
- 1...Qg5
- 2.Sb5#
- 2.Rc4#
- 1...Qg7
- 2.Rc4#
- 1...Qg8
- 2.Sb5#
- 1...Re1
- 2.Sb5#
- 1...Re2
- 2.Sb5#
- 1...Re3
- 2.Sb5#
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Sb5#
- 2.Sxe6#
- 1...Re7
- 2.Qc5#
- 1...Re8
- 2.Sb5#
- 1...Bg7
- 2.Qc5#
- threat
- 1.Sxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(b);XP(A)::R1(H)
- Q(b);::R1(H)
- Q(b);XP(D)::R1(H)
- Q(b);OGATE,XP(B)::R1(C),XQ(b)
- Q(b);N_SPINS(f)::R1(H)
- R(e);::R1(H)
- R(e);XP(D)::R1(H)
- R(e);N_GUARD,N_SPINS(f)::QAB1(F),XR(e)
- Tries
- Try
- S(E);
- Threat
- QAR1(F)
- Vars
- B(i);N_GUARD::QAB1(F),XB(i)
- Q(b);::S(E)
- R(e);P_PINR(H)::S(E)
- R(e);N_GUARD,N_SPINS(f),P_PINR(H)::QAB1(F),XR(e)
- B(i);N_GUARD,N_SPINS(f)::QAB1(F)
- Refutation
- P(c);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(e);P_PINR(H),XP(D)::QAB1(F)
- R(e);P_PINR(H),XS(E)::QAB1(F)
- Q(b);::R1(H)
- Q(b);::QAB1(F)
- R(e);P_PINR(H)::QAB1(F)
- R(e);N_GUARD,N_SPINS(f),P_PINR(H)::QAB1(F),XR(e)
- B(i);N_SPINS(f)::QAB1(F)
- Refutation
- B(i);XS(E)
- Try
- B(J);CHECK,XS(f)
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(F),XR(e)
- Refutation
- S(h);XB(J)
- Try
- P(B);XR(e)
- Threat
- QAB1(F)
- Refutation
- B(i);
- Try
- Actual
- S(E);XP(g)
- Threat
- QAR1(F)
- Vars
- B(i);N_GUARD::QAB1(F),XB(i)
- Q(b);N_SPINS(f),P_PINS(E)::R1(H)
- Q(b);::S(E)
- R(e);P_PINR(H)::S(E)
- R(e);N_GUARD,N_SPINS(f),P_PINR(H)::QAB1(F),XR(e)
- R(e);P_PINR(H),P_PINS(E),S_CUTB(i)::QAB1(F)
- B(i);N_GUARD,N_SPINS(f)::QAB1(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).