MESON Chess Problem Database
Problem Display
PID: 99289 (K4Nr1/PpP5/1R2p3/P1kNn2R/3np3/8/B3q2b/3brQB1 w - - 0 1)
Mladenovic, Slobodan
Sakkelet, 1988
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qb5#
- 1...Qg4
- 2.Qb5#
- 1...Qb5
- 2.Qxb5#
- 1...Qxh5
- 2.Qb5#
- 1...Qxa2
- 2.Qb5#
- 1...Qc2
- 2.Qb5#
- 1...Qd2
- 2.Qb5#
- 1...Qg2
- 2.Qb5#
- 1...Rg2
- 2.Sxe6#
- 1...Rg3
- 2.Sxe6#
- 1...Rg4
- 2.Sxe6#
- 1...Rg5
- 2.Sxe6#
- 1...Rg7
- 2.Sxe6#
- 1...Rxf8+
- 2.Qxf8#
- 1...Qf3
- Tries
- 1.Sf4?
- threat
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Qxf1
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Qxh5
- 2.Sxe6#
- 2.Qb5#
- 1...Rxf1
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rxg1
- 2.Sd7#
- 2.Rxe5#
- 1...Bxg1
- 2.Rxe5#
- 1...Qb5
- 2.Qxb5#
- 1...Qd3
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Qf3
- 2.Sxe6#
- 2.Rxe5#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qg4
- 2.Rxe5#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qa6
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Qb2
- 2.Sxe6#
- 2.Rxe5#
- 2.Qc4#
- 2.c8Q#
- 2.c8R#
- 1...Qc2
- 2.Sxe6#
- 2.Rxe5#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qd2
- 2.Sxe6#
- 2.Rxe5#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qf2
- 2.Rxe5#
- 2.Qc4#
- 1...Qg2
- 2.Sxe6#
- 2.Rxe5#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qe3
- 2.Rxe5#
- 2.Qc4#
- 1...Rg2
- 2.S4xe6#
- 2.S8xe6#
- 2.Sd7#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.S4xe6#
- 2.S8xe6#
- 2.Sd7#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rg4
- 2.S4xe6#
- 2.S8xe6#
- 2.Sd7#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rg5
- 2.S4xe6#
- 2.S8xe6#
- 1...Rg6
- 2.Sd7#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rg7
- 2.S4xe6#
- 2.S8xe6#
- 2.Rxe5#
- 1...Rh8
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Bc2
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Ba4
- 2.Sxe6#
- 2.Rxe5#
- 1...Bg3
- 2.Sxe6#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...e3
- 2.Rxe5#
- 1...Rxf8+!
- threat
- 1.Rxe5?
- threat
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Rxf8+
- 2.Qxf8#
- 1...Qxf1
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Qxa2
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Rxf1
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Rxg1
- 2.Sf4#
- 2.Sd7#
- 1...Bxg1
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Se7#
- 1...exd5
- 2.Rxd5#
- 2.c8Q#
- 2.c8R#
- 1...Bb3
- 2.c8Q#
- 2.c8R#
- 1...Ba4
- 2.Sf4#
- 1...Qd3
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Qf3
- 2.Sf4#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qc4
- 2.Qxc4#
- 2.c8Q#
- 2.c8R#
- 1...Qg4
- 2.Sf4#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qb5
- 2.Qxb5#
- 1...Qh5
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qa6
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Qb2
- 2.Sf4#
- 2.Qc4#
- 2.c8Q#
- 2.c8R#
- 1...Qc2
- 2.Sf4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qd2
- 2.Sf4#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qf2
- 2.Sf4#
- 2.Qc4#
- 1...Qg2
- 2.Sf4#
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qe3
- 2.Sf4#
- 2.Qc4#
- 1...Rg2
- 2.Sf4#
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sf6#
- 2.Se7#
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg4
- 2.Sf4#
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg5
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg6
- 2.Sf4#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg7
- 2.Sf4#
- 2.Sxe6#
- 1...Rh8
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Bc2
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Bg3
- 2.Sf4#
- 2.c8Q#
- 2.c8R#
- 1...Bf4
- 2.Sxf4#
- 2.c8Q#
- 2.c8R#
- 1...e3
- 2.Sf4#
- 1...Bxe5!
- threat
- 1.Sf4?
- Keys
- 1.Sc3!
- threat
- 2.c8Q#
- 2.c8R#
- 1...Rxf8+
- 2.Qxf8#
- 1...Qxf1
- 2.c8Q#
- 2.c8R#
- 1...Qxh5
- 2.Qb5#
- 1...Qxa2
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Rxf1
- 2.c8Q#
- 2.c8R#
- 1...Rxg1
- 2.Sd7#
- 1...Bxg1
- 2.Rxe5#
- 1...Qb5
- 2.Qxb5#
- 1...Bb3
- 2.c8Q#
- 2.c8R#
- 1...Qd3
- 2.c8Q#
- 2.c8R#
- 1...Qf3
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qc4
- 2.Qxc4#
- 2.c8Q#
- 2.c8R#
- 1...Qg4
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qa6
- 2.c8Q#
- 2.c8R#
- 1...Qb2
- 2.Qc4#
- 2.c8Q#
- 2.c8R#
- 1...Qc2
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qd2
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qf2
- 2.Qc4#
- 1...Qg2
- 2.Qc4#
- 2.Qb5#
- 2.c8Q#
- 2.c8R#
- 1...Qe3
- 2.Qc4#
- 1...Rg2
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Sxe6#
- 2.Sd7#
- 2.Rxe5#
- 2.c8Q#
- 2.c8R#
- 1...Rg4
- 2.Sxe6#
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg5
- 2.Sxe6#
- 1...Rg6
- 2.Sd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg7
- 2.Sxe6#
- 1...Rh8
- 2.c8Q#
- 2.c8R#
- 1...Bc2
- 2.c8Q#
- 2.c8R#
- 1...Ba4
- 2.Sxa4#
- 1...Bg3
- 2.c8Q#
- 2.c8R#
- 1...Bf4
- 2.c8Q#
- 2.c8R#
- 1...e3
- 2.Se4#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- Q(c);OGATE::QAR1(A)
- Q(c);OGATE::QAR1(A),XQ(c)
- Q(c);OGATE,XR(F)::QAR1(A)
- Q(c);OGATE,XB(C)::QAR1(A)
- R(k);N_PINS(K)::S(K),XP(i)
- R(k);CHECK,OGATE,XS(K)::QAB(A),XR(k)
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- B(d);N_SPINS(e),P_SPINS(h),XB(B)::R(F),XS(h)
- Q(c);OGATE::QAR1(A),XQ(c)
- P(f);N_SPINS(e),P_SPINS(h)::R(F),XS(h)
- Refutation
- R(k);CHECK,XS(K)
- Try
- R(F);XS(h)
- Threat
- DUALS(3)
- Vars
- R(k);CHECK,OGATE,XS(K)::QAB(A),XR(k)
- B(a);::P=Q
- B(a);::R(F)+S(E)
- Q(c);OGATE::QAR1(A),XQ(c)
- P(f);N_SPINS(e)::R(F)+S(E)
- Refutation
- B(d);XR(F)
- Try
- Actual
- S(E);
- Threat
- P=Q
- Vars
- R(k);CHECK,OGATE,XS(K)::QAB(A),XR(k)
- Q(c);XQ(A)::P=Q
- Q(c);OGATE,XR(F)::QAR1(A)
- R(b);XQ(A)::P=Q
- R(k);N_PINS(K),N_SPINS(e),P_SPINS(h),XB(B)::S(K)
- B(d);N_GUARD,N_SPINS(e),P_SPINS(h),XB(B)::R(F),XS(h)
- Q(c);OGATE::QAR1(A),XQ(c)
- B(a);::P=Q
- Q(c);::P=Q
- Q(c);P_PINP(H)::P=Q
- Q(c);N_SPINS(e),OGATE,P_SPINS(h)::QAR1(A)
- R(k);N_PINS(K)::S(K),XP(i)
- R(k);::P=Q
- B(a);N_GUARD::S(E),XB(a)
- B(d);::P=Q
- P(f);N_SPINS(e),P_SPINS(h),S_CUTQ(c)::S(E)
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).