MESON Chess Problem Database
Problem Display
PID: 102902 (1q1N1n2/3pn3/5p2/2P1k1bR/5pP1/1P5r/1P1QPN2/R3K1BB w Q - 0 1)
Romani, Lucien
Marianne, 1937
#2
13 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Qxd6#
- 1...Qa7
- 2.Qd6#
- 1...Qxb3
- 2.Qd6#
- 1...Qb5
- 2.Qd6#
- 1...Qb7
- 2.Qd6#
- 1...Qa8
- 2.Qd6#
- 1...Qc8
- 2.Qd6#
- 1...Qxd8
- 2.Qd6#
- 1...Rh2
- 2.Sd3#
- 2.Qc3#
- 1...Rc3
- 2.Qxc3#
- 1...Rd3
- 2.Sxd3#
- 1...Rh4
- 2.Sd3#
- 2.Qc3#
- 1...Rxh5
- 2.Sd3#
- 2.Qc3#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Seg6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 1...Qd6
- Tries
- 1.Sxh3?
- threat
- 2.Bd4#
- 2.Qc3#
- 2.Qxf4#
- 2.Qd4#
- 1...Qxb3
- 2.Bd4#
- 2.Qxf4#
- 2.Qd4#
- 2.Qd6#
- 1...Qxd8
- 2.Qd6#
- 1...f3
- 2.Qd4#
- 1...f5
- 2.Bd4#
- 2.Qc3#
- 2.Qd4#
- 1...Qd6
- 2.Qxf4#
- 2.Qxd6#
- 1...Sd5
- 2.Bd4#
- 2.Qd4#
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qxf4#
- 2.Qd5#
- 1...Seg6
- 2.Bd4#
- 2.Qc3#
- 2.Qd4#
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 1...Sfg6
- 2.Bd4#
- 2.Qc3#
- 2.Qd4#
- 1...d5
- 2.Bd4#
- 2.Qxf4#
- 2.Qd4#
- 1...Qb4!
- threat
- 1.Bf3?
- threat
- 2.Sd3#
- 2.Qc3#
- 1...Qxb3
- 2.Qd6#
- 1...Qxd8
- 2.Qd6#
- 1...f5
- 2.Qc3#
- 1...Qb4
- 2.Sd3#
- 1...Qd6
- 2.Qxd6#
- 1...Qb5
- 2.Qc3#
- 2.Qd6#
- 1...Sd5
- 2.Sd3#
- 2.Qxd5#
- 1...Sf5
- 2.Sd3#
- 2.Qd5#
- 1...Sc6
- 2.Sd3#
- 2.Qd5#
- 1...Se6
- 2.Sd3#
- 2.Sf7#
- 1...d5
- 2.Sd3#
- 1...Rxf3!
- threat
- 1.Rd1?
- threat
- 2.Qd4#
- 1...Qxd8
- 2.Qd6#
- 1...Rd3
- 2.Sxd3#
- 1...Qd6
- 2.Qxd6#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 1...Qb4!
- threat
- 1.Ra4?
- threat
- 2.Re4#
- 2.Qxf4#
- 2.Qd4#
- 1...Qxd8
- 2.Re4#
- 2.Qd6#
- 1...Rxh1
- 2.Re4#
- 2.Qd4#
- 1...Rxh5
- 2.Sd3#
- 2.Re4#
- 2.Qc3#
- 2.Qd4#
- 1...f5
- 2.Qd4#
- 1...Qd6
- 2.Re4#
- 2.Qxf4#
- 2.Qxd6#
- 1...Qb7
- 2.Qxf4#
- 2.Qd4#
- 2.Qd6#
- 1...Qa8
- 2.Qxf4#
- 2.Qd4#
- 2.Qd6#
- 1...Rd3
- 2.Sxd3#
- 2.Qxf4#
- 1...Re3
- 2.Qd4#
- 1...Rf3
- 2.Re4#
- 2.Qd4#
- 1...Sd5
- 2.Re4#
- 2.Qd4#
- 2.Qxd5#
- 1...Sf5
- 2.Re4#
- 2.Qd5#
- 1...Sc6
- 2.Re4#
- 2.Qxf4#
- 2.Qd5#
- 1...Seg6
- 2.Re4#
- 2.Qd4#
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 2.Re4#
- 1...Sfg6
- 2.Re4#
- 2.Qd4#
- 1...f3
- 2.Re4#
- 2.Qd4#
- 1...d5
- 2.Qxf4#
- 2.Qd4#
- 1...Qb4!
- threat
- 1.Rxh3?
- threat
- 2.Sd3#
- 2.Qc3#
- 1...Qxb3
- 2.Qd6#
- 1...Qxd8
- 2.Qd6#
- 1...f5
- 2.Qc3#
- 1...Qb4
- 2.Sd3#
- 1...Qd6
- 2.Qxd6#
- 1...Qb5
- 2.Qc3#
- 2.Qd6#
- 1...Bh4
- 2.Qc3#
- 1...Sd5
- 2.Sd3#
- 2.Qxd5#
- 1...Sf5
- 2.Sd3#
- 2.Qd5#
- 1...Sc6
- 2.Sd3#
- 2.Qd5#
- 1...Se6
- 2.Sd3#
- 2.Sf7#
- 1...d5
- 2.Sd3#
- 1...f3!
- threat
- 1.Sxh3?
- Keys
- 1.0-0-0!
- threat
- 2.Qd4#
- 1...Rc3+
- 2.Qxc3#
- 1...Qxd8
- 2.Qd6#
- 1...Rd3
- 2.Sxd3#
- 1...Qb4
- 2.Qd6#
- 1...Qd6
- 2.Qxd6#
- 1...Sf5
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 1...f3
- 2.Qe3#
- threat
- 1.0-0-0!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(h);N_GUARD::QAB1(F),XQ(h)
- Q(h);N_GUARD::QAB1(F)
- Q(h);N_GUARD,XP(I)::QAB1(F)
- Q(h);N_GUARD,XS(M)::QAB1(F)
- R(a);N_GUARD::QAB(F),XR(a)
- R(a);N_GUARD::S(H),XR(a)
- S(g);N_GUARD::QAR1(F),XS(g)
- S(g);N_GUARD,N_SPINB(d)::QAR1(F)
- S(g);N_GUARD::QAR1(F)
- S(i);SBLOCK::S(M)
- Tries
- Try
- S(H);XR(a)
- Threat
- DUALS(4)
- Vars
- Q(h);N_GUARD,XS(M)::QAB1(F)
- P(b);::QAB1(F)
- S(g);N_GUARD,N_SPINB(d)::QAR1(F)
- S(i);SBLOCK::S(M)
- Refutation
- Q(h);P_PINQ(F)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XP(I)::QAB1(F)
- Q(h);N_GUARD,XS(M)::QAB1(F)
- P(e);N_SPINB(d)::QAB(F)
- Q(h);P_PINQ(F)::S(H)
- Q(h);N_GUARD::QAB1(F),XQ(h)
- P(f);::S(H)
- Refutation
- R(a);XB(D)
- Try
- R(A);
- Threat
- QAB1(F)
- Vars
- Q(h);N_GUARD,XS(M)::QAB1(F)
- R(a);N_GUARD::S(H),XR(a)
- Q(h);N_GUARD::QAB1(F),XQ(h)
- S(g);N_GUARD,N_SPINB(d)::QAR1(F)
- S(g);N_GUARD::QAR1(F)
- S(i);SBLOCK::S(M)
- Refutation
- Q(h);P_PINQ(F)
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- P(e);N_SPINB(d)::QAB1(F)
- R(a);P_PINP(G)::QAB1(F)
- Refutation
- Q(h);P_PINQ(F)
- Try
- R(L);N_PINB(d),XR(a)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,XP(I)::QAB1(F)
- Q(h);N_GUARD,XS(M)::QAB1(F)
- P(e);::QAB(F)
- Q(h);P_PINQ(F)::S(H)
- Q(h);N_GUARD::QAB1(F),XQ(h)
- B(d);P_PINS(H)::QAB(F)
- P(f);::S(H)
- Refutation
- P(b);
- Try
- Actual
- K(B);0-0-0
- Threat
- QAB1(F)
- Vars
- R(a);CHECK,N_GUARD::QAB(F),XR(a)
- Q(h);N_GUARD,XS(M)::QAB1(F)
- R(a);N_GUARD::S(H),XR(a)
- Q(h);N_GUARD::QAB1(F)
- Q(h);N_GUARD::QAB1(F),XQ(h)
- S(g);N_GUARD,N_SPINB(d)::QAR1(F)
- S(g);N_GUARD::QAR1(F)
- S(i);SBLOCK::S(M)
- P(b);N_GUARD,P_PINQ(F),S_CUTR(a)::QAR2(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).