MESON Chess Problem Database
Problem Display
PID: 194299 (5Bn1/3RbK2/7p/Nq1nkB2/6P1/6P1/2Q2rN1/3Rr3 w - - 0 1)
Svoboda, Rudolf
Pravo lidu, 1917
#2
10 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qe2
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qd3
- 2.Sc6#
- 1...Qa4
- 2.R1xd5#
- 2.R7xd5#
- 1...Qc4
- 2.Sxc4#
- 1...Qa6
- 2.R1xd5#
- 2.R7xd5#
- 1...Qc6
- 2.Sxc6#
- 1...Qxd7
- 2.Sc4#
- 1...Qb1
- 2.Sc4#
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qb2
- 2.Sc4#
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qb3
- 2.Sc6#
- 1...Qb4
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qb6
- 2.Sc4#
- 2.R1xd5#
- 2.R7xd5#
- 1...Qb7
- 2.Sc4#
- 1...Qb8
- 2.Sc4#
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Rxd1
- 2.Qe4#
- 1...Ref1
- 2.Qe4#
- 1...Rg1
- 2.Qe4#
- 1...Rh1
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rxf5+
- 2.Qxf5#
- 1...Bh4
- 2.Bd6#
- 1...Bc5
- 2.R1xd5#
- 2.R7xd5#
- 1...Bg5
- 2.Bd6#
- 1...Bd6
- 2.Bxd6#
- 1...Bf6
- 2.Bd6#
- 1...Bd8
- 2.Bd6#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qe4#
- 2.Qc3#
- 1...Sb4
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...Sdf6
- 2.Qc3#
- 1...Sc7
- 2.Qc3#
- 1...Qf1
- Tries
- 1.Rxe1+?
- 1...Kd4
- 2.Re4#
- 1...Qe2
- 2.Sc6#
- 1...Se3
- 2.Rxe3#
- 2.Qe4#
- 2.Qc3#
- 1...Re2!
- 1...Kd4
- 1.Rxe7+?
- 1...Kd6
- 2.Qc7#
- 1...Sdxe7
- 2.Qc3#
- 2.Qc7#
- 1...Sgxe7!
- 1...Kd6
- 1.Qb2+?
- 1...Qxb2
- 2.Sc4#
- 2.Sc6#
- 2.R1xd5#
- 2.R7xd5#
- 1...Sc3
- 2.Qxc3#
- 1...Rxb2!
- 1...Qxb2
- 1.Qc7+?
- 1...Bd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Sxc7!
- 1...Bd6
- 1.Rxe1+?
- Keys
- 1.Sh4!
- threat
- 2.Sg6#
- 1...Rxf5+
- 2.Qxf5#
- 1...Qxd7
- 2.Sc4#
- 1...Rxd1
- 2.Qe4#
- 1...Bxh4
- 2.Bd6#
- 1...Qd3
- 2.Sc6#
- 1...Rd2
- 2.Sf3#
- 1...Qa6
- 2.R1xd5#
- 2.R7xd5#
- 1...Qc6
- 2.Sxc6#
- 1...Qb6
- 2.Sc4#
- 2.R1xd5#
- 2.R7xd5#
- 1...Sf4
- 2.Qc3#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(c);N_GUARD::S(F)
- Q(c);N_GUARD::S(F),XQ(c)
- Q(c);N_GUARD,XR(H)::S(F)
- R(a);N_GUARD,XR(A)::QAR1(B)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);CHECK,XB(G)::QAR1(B),XR(b)
- B(g);OGATE::B(J)
- B(g);OGATE::B(J),XB(g)
- B(g);N_PINB(G),OGATE::B(J)
- S(d);N_GUARD::QAB(B),XS(d)
- S(d);N_GUARD::QAB(B)
- S(d);N_GUARD,N_PINB(G)::QAB(B)
- Tries
- Try
- R(A);CHECK,XR(a)
- Vars
- K(e);P_SPINS(d),S_FLIGHT::R1(A)
- Q(c);P_SPINQ(c)::S(F)
- Refutation
- R(b);N_PINB(G),P_SPINR(b)
- Try
- R(H);CHECK,XB(g)
- Vars
- K(e);P_SPINS(d),S_FLIGHT::QAB1(B)
- Refutation
- S(h);XR(H)
- Try
- Q(B);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB(B),XS(d)
- Refutation
- R(b);N_PINB(G),XQ(B)
- Try
- Q(B);CHECK
- Refutation
- S(d);XQ(B)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- R(b);CHECK,XB(G)::QAR1(B),XR(b)
- Q(c);N_GUARD,XR(H)::S(F)
- R(a);N_GUARD,XR(A)::QAR1(B)
- B(g);OGATE,XS(C)::B(J)
- Q(c);N_GUARD::S(F)
- R(b);N_GUARD,N_PINB(G)::S(C)
- Q(c);N_GUARD::S(F),XQ(c)
- S(d);N_GUARD,N_PINB(G)::QAB(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).