MESON Chess Problem Database
Problem Display
PID: 169837 (B3Q3/4P3/3p2NB/3r4/3qk1P1/R1r2N1K/2n3P1/3R4 w - - 0 1)
Musante, Horacio Luis
US Chess Federation, 1945
#2
11 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Bxd5#
- 1...Qf2
- 2.Bxd5#
- 1...Qe3
- 2.Bxd5#
- 1...Qb6
- 2.Bxd5#
- 1...Qf6
- 2.Bxd5#
- 1...Qa7
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...Qh8
- 2.Bxd5#
- 1...Qa4
- 2.Bxd5#
- 1...Qb4
- 2.Bxd5#
- 1...Rxf3+
- 2.gxf3#
- 1...Rc4
- 2.Sg5#
- 1...Rc5
- 2.Sg5#
- 1...Rc7
- 2.Sg5#
- 1...Rc8
- 2.Sg5#
- 1...Sa1
- 2.Rxd4#
- 1...Se1
- 2.Rxd4#
- 1...Sxa3
- 2.Rxd4#
- 1...Se3
- 2.Sg5#
- 2.Rxd4#
- 1...Sb4
- 2.Rxd4#
- 1...Qg1
- Tries
- 1.Qf7?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Rxf3+
- 2.Qxf3#
- 2.gxf3#
- 1...Qxd1
- 2.Qf5#
- 1...Qd2
- 2.Qf5#
- 1...Qe3
- 2.Bxd5#
- 2.Qxd5#
- 2.Qe6#
- 2.Qf5#
- 2.e8Q#
- 2.e8R#
- 1...Qf6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc6
- 2.Qf4#
- 1...Se3
- 2.Sg5#
- 2.Rxd4#
- 2.Qf4#
- 1...Qe5!
- threat
- 1.Qf8?
- threat
- 2.Qf4#
- 2.Qf5#
- 1...Rxf3+
- 2.Qxf3#
- 2.gxf3#
- 1...Qxd1
- 2.Qf5#
- 1...Qd2
- 2.Qf5#
- 1...Qe3
- 2.Bxd5#
- 2.Qf5#
- 2.e8Q#
- 2.e8R#
- 1...Qf6
- 2.Bxd5#
- 1...Rc6
- 2.Qf4#
- 1...Se3
- 2.Sg5#
- 2.Rxd4#
- 2.Qf4#
- 1...Qe5!
- threat
- 1.Qf7?
- Keys
- 1.Qa4!
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rxf3+
- 2.gxf3#
- 1...Qxa4
- 2.Bxd5#
- 1...Rxa3
- 2.e8Q#
- 2.e8R#
- 1...Sxa3
- 2.Rxd4#
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...Qb4
- 2.Bxd5#
- 2.e8Q#
- 2.e8R#
- 1...Qc4
- 2.Bxd5#
- 2.e8Q#
- 2.e8R#
- 1...Rb3
- 2.e8Q#
- 2.e8R#
- 1...Rd3
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.e8Q#
- 2.e8R#
- 1...Rc4
- 2.Sg5#
- 1...Rc5
- 2.Sd2#
- 2.Sg5#
- 2.e8Q#
- 2.e8R#
- 1...Rc6
- 2.Sd2#
- 1...Rc7
- 2.Sd2#
- 2.Sg5#
- 1...Rc8
- 2.Sd2#
- 2.Sg5#
- 1...Sa1
- 2.Rxd4#
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...Se1
- 2.Rxd4#
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...Se3
- 2.Sg5#
- 2.Rxd4#
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...Sb4
- 2.Rxd4#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- Q(c);N_GUARD::B(J),XR(e)
- Q(c);N_GUARD,P_PINB(H)::B(J),XR(e)
- R(b);CHECK,OGATE,XS(D)::P(B),XR(b)
- R(b);N_PINS(D)::S(D)
- S(a);N_GUARD::R1(A),XQ(c)
- S(a);N_GUARD,XR(C)::R1(A),XQ(c)
- Tries
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- Q(c);XR(A)::QAB1(K)
- Q(c);::QAB1(K)
- R(b);N_PINS(D),N_SPINR(e)::QAR1(K)
- Refutation
- Q(c);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- Q(c);XR(A)::QAB1(K)
- Q(c);::QAB1(K)
- Q(c);N_GUARD::B(J),XR(e)
- R(b);N_PINS(D),N_SPINR(e)::QAR1(K)
- Refutation
- Q(c);
- Try
- Actual
- Q(K);P_PINQ(c)
- Threat
- P=Q
- Vars
- R(b);CHECK,OGATE,XS(D)::P(B),XR(b)
- Q(c);N_SPINQ(c),XQ(K)::B(J),XR(e)
- R(b);XR(C)::P=Q
- R(b);::P=Q
- R(b);N_PINS(D),N_SPINQ(c)::S(D)
- R(b);N_PINS(D),N_SPINR(e)::S(D)
- S(a);N_GUARD,N_SPINQ(c)::R1(A),XQ(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).