MESON Chess Problem Database
Problem Display
PID: 91419 (8/2q5/3pN3/B2Q4/3n4/N1b1k1pP/2PR4/3BK2R w K - 0 1)
Mladenovic, Slobodan
Probleemblad, 1971
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxa5
- 2.Sc4#
- 1...Qb6
- 2.Sc4#
- 1...Qb8
- 2.Sc4#
- 1...Qd8
- 2.Sc4#
- 1...Qc4
- 2.Sxc4#
- 1...Qa7
- 2.Sc4#
- 1...Qb7
- 2.Sc4#
- 1...Qd7
- 2.Sc4#
- 1...Qe7
- 2.Sc4#
- 1...Qf7
- 2.Sc4#
- 1...Qg7
- 2.Sc4#
- 1...Qh7
- 2.Sc4#
- 1...Ba1
- 2.Rd3#
- 1...Bb2
- 2.Rd3#
- 1...Bxd2+
- 2.Bxd2#
- 1...Bb4
- 2.Qxd4#
- 1...Bxa5
- 2.Qxd4#
- 1...Sxc2+
- 2.Sxc2#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qf3#
- 2.Qd3#
- 1...Sf3+
- 2.Qxf3#
- 1...Sb5
- 2.Qf3#
- 2.Qd3#
- 1...Sf5
- 2.Qf3#
- 2.Qd3#
- 1...Sc6
- 2.Sc4#
- 2.Qf3#
- 2.Qd3#
- 1...Sxe6
- 2.Qf3#
- 1...Qxa5
- Tries
- 1.Bxc3?
- threat
- 2.Bxd4#
- 2.Rd3#
- 2.Qxd4#
- 1...Sxc2+
- 2.Sxc2#
- 1...Sf3+
- 2.Qxf3#
- 1...Sxe6
- 2.Qf3#
- 1...Qb6
- 2.Sc4#
- 2.Rd3#
- 1...Qc4
- 2.Sxc4#
- 1...Qc5
- 2.Rd3#
- 1...Qa7
- 2.Sc4#
- 2.Rd3#
- 1...Qg7
- 2.Sc4#
- 2.Rd3#
- 1...Qh7
- 2.Sc4#
- 2.Bxd4#
- 2.Qxd4#
- 1...Se2
- 2.Rxe2#
- 2.Rd3#
- 2.Qd3#
- 1...Sb3
- 2.Re2#
- 2.Rd3#
- 2.Qf3#
- 2.Qd3#
- 1...Sb5
- 2.Re2#
- 2.Rd3#
- 2.Qf3#
- 2.Qd3#
- 1...Sf5
- 2.Re2#
- 2.Rd3#
- 2.Qf3#
- 2.Qd3#
- 1...Sc6
- 2.Sc4#
- 2.Re2#
- 2.Rd3#
- 2.Qf3#
- 2.Qd3#
- 1...Qxc3!
- threat
- 1.Bxc7?
- threat
- 2.Sc4#
- 1...Sxc2+
- 2.Sxc2#
- 1...Sf3+
- 2.Qxf3#
- 1...Sxe6
- 2.Qf3#
- 1...Bxd2+!
- threat
- 1.Qf5?
- threat
- 2.Qd3#
- 2.Qf4#
- 1...Bxd2+
- 2.Bxd2#
- 1...Sxc2+
- 2.Sxc2#
- 1...Sf3+
- 2.Qxf3#
- 1...Sxe6
- 2.Qf3#
- 1...Qc4
- 2.Sxc4#
- 2.Qf4#
- 1...Qf7
- 2.Sc4#
- 2.Qd3#
- 1...Qh7
- 2.Sc4#
- 2.Qf4#
- 1...Se2
- 2.Qd3#
- 1...d5
- 2.Qd3#
- 1...Sxf5!
- threat
- 1.Bxc3?
- Keys
- 1.0-0!
- threat
- 2.Rd3#
- 1...Se2+
- 2.Rxe2#
- 1...Sf3+
- 2.Rxf3#
- 1...Kxd2
- 2.Qg5#
- 1...Bxd2
- 2.Qxd4#
- 1...Qc4
- 2.Sxc4#
- 1...Qh7
- 2.Sc4#
- threat
- 1.0-0!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(f);N_GUARD,XB(H)::S(F)
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD::S(F),XQ(f)
- B(a);N_PINR(E)::R1(E)
- B(a);CHECK,OGATE,XR(E)::B(H),XB(a)
- B(a);N_GUARD::QAB1(I),XS(d)
- B(a);N_GUARD,XB(H)::QAB1(I),XS(d)
- S(d);CHECK,XP(D)::S(F),XS(d)
- S(d);OGATE::QAR1(I)
- S(d);CHECK,N_GUARD::QAR1(I),XS(d)
- S(d);N_GUARD,XS(J)::QAR1(I)
- Tries
- Try
- B(H);N_SPINR(E),XB(a)
- Threat
- DUALS(3)
- Vars
- S(d);CHECK,XP(D)::S(F),XS(d)
- S(d);CHECK,N_GUARD::QAR1(I),XS(d)
- S(d);N_GUARD,XS(J)::QAR1(I)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);::R1(E)
- Refutation
- Q(f);P_PINR(E),XB(H)
- Try
- B(H);XQ(f)
- Threat
- S(F)
- Vars
- S(d);CHECK,XP(D)::S(F),XS(d)
- S(d);CHECK,N_GUARD::QAR1(I),XS(d)
- S(d);N_GUARD,XS(J)::QAR1(I)
- Refutation
- B(a);CHECK,XR(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,OGATE,XR(E)::B(H),XB(a)
- S(d);CHECK,XP(D)::S(F),XS(d)
- S(d);CHECK,N_GUARD::QAR1(I),XS(d)
- S(d);N_GUARD,XS(J)::QAR1(I)
- S(d);::QAR1(I)
- P(e);::QAR1(I)
- Refutation
- S(d);XQ(I)
- Try
- Actual
- K(B);0-0,N_SPINR(E)
- Threat
- R1(E)
- Vars
- S(d);CHECK,N_GUARD::R1(E),XS(d)
- S(d);CHECK,N_GUARD::R1(C),XS(d)
- K(b);P_SPINB(a),P_SPINS(d),S_FLIGHT,XR(E)::QAB(I)
- B(a);N_GUARD,XR(E)::QAB1(I),XS(d)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(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).