MESON Chess Problem Database
Problem Display
PID: 236009 (N1RnB3/BP2K3/2pNp3/qP1kn2Q/R2Pr3/2b1p3/2P1PP2/8 w - - 0 1)
Burda, Josef
Sachova skladba, 2020
#2
14 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb4
- 2.Sc7#
- 1...Qb6
- 2.Sxb6#
- 1...Qc7+
- 2.Sxc7#
- 1...Qxa4
- 2.Sc7#
- 1...Qxb5
- 2.Sc7#
- 1...Qa6
- 2.Sc7#
- 1...Qxa7
- 2.Sc7#
- 1...Rf4
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bxd4
- 2.c4#
- 1...Sxb7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...cxb5
- 2.Rc5#
- 1...c5
- 2.Rxc5#
- 1...Qb4
- Tries
- 1.Bb6?
- threat
- 2.Sc7#
- 1...Qxb6
- 2.Sxb6#
- 1...Qxa8!
- threat
- 1.Bg6?
- threat
- 2.Bxe4#
- 1...Qc7+
- 2.Sxc7#
- 1...Rf4
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Rxd4!
- threat
- 1.Rxa5?
- threat
- 2.Sc7#
- 1...Bxa5
- 2.c4#
- 1...c5!
- threat
- 1.Rxc6?
- threat
- 2.Rc5#
- 1...Qc7+
- 2.Sxc7#
- 1...Sxc6+
- 2.Bxc6#
- 1...Qxa4
- 2.Sc7#
- 1...Qxb5
- 2.Sc7#
- 1...Qxa7
- 2.Sc7#
- 1...Bxd4
- 2.c4#
- 1...Qb4
- 2.Sc7#
- 1...Qb6
- 2.Sxb6#
- 1...Bb4
- 2.c4#
- 1...Sxb7!
- threat
- 1.f3?
- threat
- 2.fxe4#
- 1...Qc7+
- 2.Sxc7#
- 1...Rf4
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 1...Rh4
- 2.Qxe5#
- 1...Rxd4!
- threat
- 1.Bb6?
- Keys
- 1.f4!
- 1...Qc7+
- 2.Sxc7#
- 1...Qxa4
- 2.Sc7#
- 1...Qxb5
- 2.Sc7#
- 1...Qxa7
- 2.Sc7#
- 1...Rxd4
- 2.Qxe5#
- 1...Rxf4
- 2.Qxe5#
- 1...Bxd4
- 2.c4#
- 1...Sxb7
- 2.Bxc6#
- 1...cxb5
- 2.Rc5#
- 1...Qb4
- 2.Sc7#
- 1...Qb6
- 2.Sxb6#
- 1...Qa6
- 2.Sc7#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Sf7
- 2.Bxc6#
- 1...c5
- 2.Rxc5#
- 1...Qc7+
- 1.f4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(d);N_GUARD,P_PINS(H)::S(L)
- Q(d);N_GUARD::S(L),XQ(d)
- Q(d);CHECK,N_GUARD::S(L),XQ(d)
- Q(d);N_GUARD,XR(D)::S(L)
- Q(d);N_GUARD,XP(F)::S(L)
- Q(d);N_GUARD::S(L)
- Q(d);N_GUARD,P_PINP(J),XB(I)::S(L)
- R(c);N_GUARD::QAR1(G),XS(f)
- B(a);OGATE::P(A)
- B(a);OGATE,P_PINS(H)::P(A)
- B(a);OGATE,XP(E)::P(A)
- S(i);N_GUARD,XP(J)::B(N),XP(g)
- S(i);N_GUARD::B(N),XP(g)
- P(g);OGATE,XP(F)::R1(M)
- P(g);OGATE::R1(M),XP(g)
- Tries
- Try
- B(I);
- Threat
- S(L)
- Vars
- Q(d);XB(I)::S(L),XQ(d)
- Refutation
- Q(d);XS(L)
- Try
- B(N);
- Threat
- B(N),XR(c)
- Vars
- Q(d);CHECK,N_GUARD::S(L),XQ(d)
- R(c);N_GUARD::QAR1(G),XS(f)
- Refutation
- R(c);XP(E)
- Try
- R(D);XQ(d)
- Threat
- S(L)
- Vars
- B(a);OGATE,XR(D)::P(A)
- Refutation
- P(g);
- Try
- R(M);XP(g)
- Threat
- R1(M)
- Vars
- Q(d);CHECK,N_GUARD::S(L),XQ(d)
- S(i);CHECK,OGATE,XR(M)::B(N),XS(i)
- Q(d);N_GUARD,XR(D)::S(L)
- Q(d);N_GUARD,XP(F)::S(L)
- Q(d);N_GUARD,P_PINP(J),XB(I)::S(L)
- B(a);OGATE,XP(E)::P(A)
- Q(d);N_GUARD,P_PINS(H)::S(L)
- Q(d);N_GUARD::S(L),XQ(d)
- B(a);OGATE,P_PINS(H)::P(A)
- Refutation
- S(i);XP(J)
- Try
- P(C);
- Threat
- P(C),XR(c)
- Vars
- Q(d);CHECK,N_GUARD::S(L),XQ(d)
- R(c);N_GUARD::QAR1(G),XS(f)
- Refutation
- R(c);XP(E)
- Try
- Actual
- P(C);
- Vars
- Q(d);CHECK,N_GUARD::S(L),XQ(d)
- Q(d);N_GUARD,XR(D)::S(L)
- Q(d);N_GUARD,XP(F)::S(L)
- Q(d);N_GUARD,P_PINP(J),XB(I)::S(L)
- R(c);N_GUARD,XP(E)::QAR1(G),XS(f)
- R(c);N_GUARD,XP(C)::QAR1(G),XS(f)
- B(a);OGATE,XP(E)::P(A)
- S(i);N_GUARD,XP(J)::B(N),XP(g)
- P(g);OGATE,XP(F)::R1(M)
- Q(d);N_GUARD,P_PINS(H)::S(L)
- Q(d);N_GUARD::S(L),XQ(d)
- Q(d);N_GUARD::S(L)
- B(a);OGATE::P(A)
- B(a);OGATE,P_PINS(H)::P(A)
- S(i);N_GUARD::B(N),XP(g)
- P(g);OGATE::R1(M),XP(g)
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).