MESON Chess Problem Database
Problem Display
PID: 30455 (1K2b3/1Np3B1/B7/1P5q/2k1PN2/P7/P2Qn3/1r2n3 w - - 0 1)
Musante, Horacio Luis
1st Prize, Ajedrez Argentino, 1954-1955
#2
10 + 7
| 4872 | Themes-64 | 1956 |
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qd5#
- 1...Qg4
- 2.Qd5#
- 1...Qg6
- 2.Qd5#
- 1...Qh1
- 2.Qd5#
- 1...Qh2
- 2.Qd5#
- 1...Qh3
- 2.Qd5#
- 1...Qh4
- 2.Qd5#
- 1...Qxb5
- 2.Qd5#
- 1...Qc5
- 2.Sa5#
- 1...Qd5
- 2.Qxd5#
- 1...Qh6
- 2.Qd5#
- 1...Qh7
- 2.Qd5#
- 1...Qh8
- 2.Qd5#
- 1...Ra1
- 2.Qb4#
- 1...Rc1
- 2.Qb4#
- 1...Rd1
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Rxb5
- 2.Qb4#
- 1...Sc2
- 2.Qd3#
- 1...Sg2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sf3
- 2.Qxe2#
- 2.Qd3#
- 1...Sc1
- 2.Qc3#
- 2.Qd4#
- 1...Sg1
- 2.Qc3#
- 2.Qd4#
- 1...Sc3
- 2.Qxc3#
- 2.Qd4#
- 1...Sg3
- 2.Qc3#
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sxf4
- 2.Qc3#
- 2.Qd4#
- 1...c5
- 2.Sa5#
- 2.Sd6#
- 1...Qf3
- Tries
- 1.Sxe2?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Qf3
- 2.Qd4#
- 2.Qd5#
- 1...Qh3
- 2.Qd4#
- 2.Qd5#
- 1...Qc5
- 2.Sa5#
- 2.Qc3#
- 1...Qd5
- 2.Qc3#
- 2.Qxd5#
- 1...Rc1
- 2.Qd4#
- 1...Rd1
- 2.Qc3#
- 1...Rb3
- 2.Qd4#
- 1...Sc2
- 2.Qc3#
- 2.Qxc2#
- 1...Sd3
- 2.Qc3#
- 2.Qc2#
- 1...Sf3
- 2.Qc3#
- 2.Qc2#
- 1...c5
- 2.Sa5#
- 2.Sd6#
- 2.Qc3#
- 1...Qe5!
- threat
- 1.Sd3?
- threat
- 2.Sa5#
- 1...Qxb5
- 2.Se5#
- 1...Rxb5
- 2.Sb2#
- 1...Qe5
- 2.Sxe5#
- 1...Sxd3!
- threat
- 1.Se6?
- threat
- 2.Sa5#
- 1...Qxb5
- 2.Qd5#
- 1...Rxb5!
- threat
- 1.Bb2?
- threat
- 2.Qb4#
- 1...Sxf4
- 2.Qc3#
- 2.Qd4#
- 1...Qc5
- 2.Sa5#
- 1...Sc2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sc3
- 2.Qxc3#
- 1...c5
- 2.Sa5#
- 2.Sd6#
- 1...Rxb2!
- threat
- 1.Bf8?
- threat
- 2.Sa5#
- 1...Rxb5
- 2.Qb4#
- 1...Sd3
- 2.Qxd3#
- 1...Qxb5!
- threat
- 1.Qc2+?
- 1...Sc3
- 2.Qxc3#
- 1...Sxc2!
- 1...Sc3
- 1.Qxe2+?
- 1...Sd3
- 2.Qxd3#
- 2.Qc2#
- 1...Qxe2!
- 1...Sd3
- 1.b6+?
- 1...Qb5
- 2.Qd5#
- 1...Rb5
- 2.Qb4#
- 1...Bb5!
- 1...Qb5
- 1.Sxe2?
- Keys
- 1.Qe3!
- threat
- 2.Sa5#
- 1...Qxb5
- 2.Qc5#
- 1...Rxb5
- 2.Qb3#
- 1...Sd4
- 2.Qxd4#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(e);N_GUARD::QAB1(B)
- Q(e);N_GUARD,P_PINS(H),P_SPINQ(e),XP(F)::QAB1(B)
- Q(e);SBLOCK::S(H)
- Q(e);N_GUARD::QAB1(B),XQ(e)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(a);N_GUARD,P_PINS(H),P_SPINR(a),XP(F)::QAR1(B)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(c);N_GUARD::QAR1(B),XS(c)
- Tries
- Try
- S(E);XS(c)
- Threat
- DUALS(2)
- Vars
- R(a);::QAR1(B)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- S(H)
- Vars
- Q(e);N_GUARD,P_PINS(H),P_SPINQ(e),XP(F)::S(E)
- R(a);N_GUARD,P_PINS(H),P_SPINR(a),XP(F)::S(E)
- Q(e);N_GUARD::S(E),XQ(e)
- Refutation
- S(b);XS(E)
- Try
- S(E);
- Threat
- S(H)
- Vars
- Q(e);N_GUARD,P_PINS(H),P_SPINQ(e),XP(F)::QAB1(B)
- Refutation
- R(a);P_PINS(H),P_SPINR(a),XP(F)
- Try
- B(I);
- Threat
- QAR1(B)
- Vars
- Q(e);SBLOCK::S(H)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(c);N_GUARD::QAR1(B),XS(c)
- Refutation
- R(a);XB(I)
- Try
- B(I);
- Threat
- S(H)
- Vars
- R(a);N_GUARD,P_PINS(H),P_SPINR(a),XP(F)::QAR1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- Q(e);P_PINS(H),P_SPINQ(e),XP(F)
- Try
- Q(B);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAR1(B),XS(c)
- Refutation
- S(b);XQ(B)
- Try
- Q(B);CHECK,XS(c)
- Refutation
- Q(e);XQ(B)
- Try
- P(F);CHECK
- Vars
- Q(e);P_SPINQ(e)::QAB1(B)
- R(a);P_SPINR(a)::QAR1(B)
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- Q(B);
- Threat
- S(H)
- Vars
- Q(e);N_GUARD,P_PINS(H),P_SPINQ(e),XP(F)::QAR1(B)
- R(a);N_GUARD,P_PINS(H),P_SPINR(a),XP(F)::QAB1(B)
- S(c);N_GUARD::QAR1(B),XS(c)
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).