MESON Chess Problem Database
Problem Display
PID: 80904 (3BQ1r1/1p1Rn2b/2k1Nq1R/2p1p3/P1KP4/b2p1N2/5nr1/7B w - - 0 1)
Burda, Josef
Solarczyk, Rudolf
Zemedelske noviny, 1981
#2
10 + 12
| 6424 | Czech Album (1979-1981) | 1986 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Sxe5#
- 1...Qxe6+
- 2.Rxe6#
- 1...Qg6
- 2.Sxe5#
- 1...Qxh6
- 2.Sxe5#
- 1...Qf7
- 2.Sxe5#
- 1...Qf8
- 2.Sxe5#
- 1...Rg1
- 2.Sxe5#
- 1...Rh2
- 2.Sxe5#
- 1...R2g3
- 2.Sxe5#
- 1...R2g4
- 2.Sxe5#
- 1...R2g5
- 2.Sxe5#
- 1...R2g6
- 2.Sxe5#
- 1...R2g7
- 2.Sxe5#
- 1...R8g3
- 2.Rd5#
- 1...R8g4
- 2.Rd5#
- 1...R8g5
- 2.Rd5#
- 1...R8g6
- 2.Rd5#
- 1...R8g7
- 2.Rd5#
- 1...Sf5
- 2.d5#
- 1...Sg6
- 2.d5#
- 1...Sc8
- 2.d5#
- 1...b5+
- 2.axb5#
- 1...Qh4
- Tries
- 1.Sf8?
- threat
- 2.Sxe5#
- 2.Rxf6#
- 2.Rd5#
- 1...Qe6+
- 2.Rxe6#
- 2.Rd5#
- 1...b5+
- 2.axb5#
- 1...Qxh6
- 2.Sxe5#
- 2.Rd5#
- 1...Rxf8
- 2.Sxe5#
- 1...cxd4
- 2.Sxe5#
- 2.Rxd4#
- 2.Rd5#
- 1...exd4
- 2.Se5#
- 2.Rxf6#
- 2.Rxd4#
- 2.Rd5#
- 1...Qd6
- 2.Sxe5#
- 2.Rhxd6#
- 2.Rdxd6#
- 2.Rxe7#
- 1...Qg6
- 2.Sxe5#
- 2.Rd5#
- 1...R2g6
- 2.Sxe5#
- 2.Rd5#
- 1...R8g5
- 2.Rxf6#
- 2.Rd5#
- 1...R8g6
- 2.Rd5#
- 1...Bf5
- 2.Sxe5#
- 1...Se4
- 2.Sxe5#
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sd5
- 2.Sxe5#
- 2.Rxd5#
- 1...Sf5
- 2.Sxe5#
- 2.Rd5#
- 2.d5#
- 1...Sg6
- 2.Rd5#
- 2.d5#
- 1...Sc8
- 2.Sxe5#
- 2.Rd5#
- 2.d5#
- 1...e4
- 2.Se5#
- 2.Rxf6#
- 2.Rd5#
- 1...b6
- 2.Sxe5#
- 2.Rxf6#
- 1...Bg6!
- threat
- 1.Ba5?
- threat
- 2.Sd8#
- 1...Qxe6+
- 2.Rxe6#
- 1...b5+
- 2.axb5#
- 1...Qf7
- 2.Sxe5#
- 1...Sg6
- 2.d5#
- 1...Rxe8!
- threat
- 1.Bc7?
- threat
- 2.Sd8#
- 2.Rd6#
- 1...Qxe6+
- 2.Rxe6#
- 1...Rxe8
- 2.Rd6#
- 1...b6
- 2.Sd8#
- 1...Qf7
- 2.Sxe5#
- 2.Rd6#
- 1...Sg6
- 2.Rd6#
- 2.d5#
- 1...b5+!
- threat
- 1.Rxf6?
- threat
- 2.Sxe5#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...b5+
- 2.axb5#
- 1...Rxe8
- 2.Sxe5#
- 2.Sxc5#
- 2.Sf8#
- 1...cxd4
- 2.Sxe5#
- 2.Sexd4#
- 2.Sc5#
- 1...exd4
- 2.Se5#
- 2.Sexd4#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...R2g5
- 2.Sxe5#
- 2.Sf4#
- 2.Sxc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...R2g6
- 2.Sxe5#
- 1...R2g7
- 2.Sxe5#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sxg7#
- 2.Sf8#
- 1...R8g5
- 2.Sf4#
- 2.Sxc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 2.Rd5#
- 1...R8g6
- 2.Sxe5#
- 2.Rd5#
- 1...R8g7
- 2.Sxe5#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sxg7#
- 2.Sf8#
- 2.Rd5#
- 1...Rf8
- 2.Sxe5#
- 2.Sxf8#
- 1...Bf5
- 2.Sxe5#
- 1...Se4
- 2.Sxe5#
- 1...Sd5
- 2.Sxe5#
- 1...Sf5
- 2.Sxe5#
- 2.d5#
- 1...Sg6
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 2.d5#
- 1...Sc8
- 2.Sxe5#
- 2.d5#
- 1...e4
- 2.Se5#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...b6
- 2.Sxe5#
- 2.Sf4#
- 2.Sxc5#
- 2.Seg5#
- 2.Sg7#
- 2.Sf8#
- 1...Sg4!
- threat
- 1.Rc7+?
- 1...Kd6
- 2.Qd7#
- 1...Kb6!
- 1...Kd6
- 1.Rxe7+?
- 1...Kd6
- 2.Bc7#
- 2.Qd7#
- 1...Rxe8!
- 1...Kd6
- 1.Qxe7?
- threat
- 2.Rd6#
- 2.Qd6#
- 2.d5#
- 1...Qxe6+
- 2.Rxe6#
- 2.Qxe6#
- 2.d5#
- 1...b5+
- 2.axb5#
- 1...Qxe7
- 2.Sxe5#
- 1...Qxf3
- 2.Rd6#
- 2.Qd6#
- 1...Rxd8
- 2.Qd6#
- 1...exd4
- 2.Rd6#
- 2.Qd6#
- 1...Qh4
- 2.Sxe5#
- 2.Rd6#
- 2.Qd6#
- 1...Qf4
- 2.Rd6#
- 2.Qd6#
- 1...Qf8
- 2.Sxe5#
- 2.Rd6#
- 2.d5#
- 1...R2g4
- 2.Sxe5#
- 2.Rd6#
- 2.Qd6#
- 1...R8g4
- 2.Rd6#
- 2.Qd6#
- 1...Be4
- 2.Rd6#
- 2.Qd6#
- 1...Se4
- 2.d5#
- 1...cxd4!
- threat
- 1.dxc5?
- threat
- 2.Rd6#
- 2.Rc7#
- 1...Qh4+
- 2.Sed4#
- 1...Qf4+
- 2.Sed4#
- 1...Qxe6+
- 2.Rxe6#
- 1...R2g4+
- 2.Sfd4#
- 1...R8g4+
- 2.Rd4#
- 1...b5+
- 2.axb5#
- 1...b6
- 2.Rc7#
- 1...Bxc5!
- threat
- 1.Sf8?
- Keys
- 1.dxe5!
- threat
- 2.Rd6#
- 1...Qh4+
- 2.Sed4#
- 1...Qf4+
- 2.Sed4#
- 1...Qxe6+
- 2.Rxe6#
- 1...R2g4+
- 2.Sfd4#
- 1...R8g4+
- 2.Rd4#
- 1...b5+
- 2.axb5#
- 1...Qxe5
- 2.Sxe5#
- 2.Sed4#
- 1...b6
- 2.Rc7#
- threat
- 1.dxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 17
- Sets
- Q(h);N_GUARD,P_PINP(E)::S(B),XP(f)
- Q(h);CHECK,OGATE,P_SPINQ(h),XS(F)::R(G),XQ(h)
- Q(h);N_GUARD::S(B),XP(f)
- Q(h);N_GUARD,XR(G)::S(B),XP(f)
- Q(h);N_GUARD,P_PINS(F)::S(B),XP(f)
- R(b);::B(A)+S(B),DCHECK,XP(f)
- R(b);P_PINP(E)::B(A)+S(B),DCHECK,XP(f)
- R(l);N_GUARD::QAB(J)+R(H)
- R(l);N_GUARD,P_PINP(E)::QAB(J)+R(H)
- S(j);N_GUARD::P(E)
- P(i);CHECK,OGATE::P(C),XP(i)
- Tries
- Try
- S(F);P_PINQ(h)
- Threat
- DUALS(3)
- Vars
- P(i);CHECK,OGATE::P(C),XP(i)
- R(l);XS(F)::S(B),XP(f)
- R(l);N_SPINQ(h)::QAB(J)+R(H)
- B(k);::S(B),XP(f)
- S(a);::QAB(J)+R(H)
- Refutation
- B(k);N_SPINQ(h)
- Try
- B(I);
- Threat
- S(F)
- Vars
- Q(h);CHECK,OGATE,P_SPINQ(h),XS(F)::R(G),XQ(h)
- P(i);CHECK,OGATE::P(C),XP(i)
- Q(h);N_GUARD,P_PINS(F)::S(B),XP(f)
- S(j);N_GUARD::P(E)
- Refutation
- R(l);XQ(J)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,OGATE,P_SPINQ(h),XS(F)::R(G),XQ(h)
- R(l);XQ(J)::R1(H)
- P(i);::S(F)
- Refutation
- P(i);CHECK
- Try
- R(G);XQ(h)
- Threat
- DUALS(7)
- Vars
- P(i);CHECK,OGATE::P(C),XP(i)
- R(b);::B(A)+S(B),DCHECK,XP(f)
- B(k);::S(B),XP(f)
- S(a);::S(B),XP(f)
- S(j);::S(B),XP(f)
- Refutation
- S(a);
- Try
- R(H);CHECK
- Vars
- K(g);P-FLIGHT::QAR1(J)
- Refutation
- K(g);P-FLIGHT
- Try
- R(H);CHECK,XS(j)
- Refutation
- R(l);XQ(J)
- Try
- Q(J);XS(j)
- Threat
- DUALS(3)
- Vars
- P(i);CHECK,OGATE::P(C),XP(i)
- Q(h);N_GUARD,XQ(J)::S(B),XP(f)
- R(l);XB(I)::QAR1(J)
- S(a);::P(E)
- Refutation
- P(e);XP(E)
- Try
- P(E);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK::R(G)+S(F),DCHECK
- Q(h);CHECK,OGATE,P_SPINQ(h),XS(F)::R(G),XQ(h)
- R(b);CHECK::B(A)+S(B),DCHECK
- R(l);CHECK,N_GUARD::QAB(J)+R(H)
- P(i);CHECK,OGATE::P(C),XP(i)
- P(i);::QAB(J)+R(H),DCHECK
- Refutation
- B(c);XP(E)
- Try
- Actual
- P(E);XP(f)
- Threat
- QAB(J)+R(H),DCHECK
- Vars
- Q(h);CHECK::R(G)+S(F),DCHECK
- Q(h);CHECK,OGATE,P_SPINQ(h),XS(F)::R(G),XQ(h)
- R(b);CHECK::B(A)+S(B),DCHECK
- R(l);CHECK,N_GUARD::QAB(J)+R(H)
- P(i);CHECK,OGATE::P(C),XP(i)
- P(i);SBLOCK::QAB(J)+R(H),DCHECK
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).