MESON Chess Problem Database
Problem Display
PID: 242375 (6n1/2p5/2R1p1N1/1Ppkp1pB/p5Q1/B7/2p1N3/1nK5 w - - 0 1)
Morra, Juan Carlos
Tijdschrift vd KNSB, 1960
#2
8 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sc3#
- 1...Sxa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Qxc4#
- 1...e4
- 2.Qxe6#
- 1...Sd2
- Tries
- 1.Kxc2?
- 1...e4
- 2.Qxe6#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Qxc4#
- 1...Sxa3+!
- 1...e4
- 1.Bb2?
- 1...e4
- 2.Qxe6#
- 1...Sf6
- 2.Se7#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Qxc4#
- 1...a3!
- 1...e4
- 1.Bb4?
- 1...cxb4
- 2.Qc4#
- 1...e4
- 2.Qxe6#
- 1...Sf6
- 2.Se7#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Qxc4#
- 1...a3!
- 1...cxb4
- 1.Bxc5?
- 1...e4
- 2.Qxe6#
- 1...Sf6
- 2.Se7#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...a3!
- 1...e4
- 1.Rxe6?
- 1...Sxa3
- 2.Sc3#
- 1...e4
- 2.Qxe4#
- 1...Sf6
- 2.Se7#
- 1...Sd2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Rxe5#
- 1...c6!
- 1...Sxa3
- 1.Qf3+?
- 1...Kc4
- 2.Rxc5#
- 1...e4!
- 1...Kc4
- 1.Qh3?
- threat
- 2.Qd3#
- 1...Kc4
- 2.Rxc5#
- 1...Ke4
- 2.Qf3#
- 1...e4
- 2.Qxe6#
- 1...c4!
- threat
- 1.Kxc2?
- Keys
- 1.Qg3!
- threat
- 2.Qd3#
- 1...Kc4
- 2.Rxc5#
- 1...Ke4
- 2.Qf3#
- 1...c4
- 2.Qxe5#
- 1...e4
- 2.Rxc5#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- S(a);N_GUARD::S(B)
- S(a);N_GUARD,XB(C)::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD::S(H),XS(j)
- P(d);::QAB1(D),XP(d)
- P(f);::QAB1(D),XP(h)
- Tries
- Try
- K(A);P-FLIGHT,XP(b)
- Vars
- P(f);::QAB1(D),XP(h)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD::S(H),XS(j)
- P(d);::QAB1(D),XP(d)
- Refutation
- S(a);CHECK,XB(C)
- Try
- B(C);
- Vars
- P(f);::QAB1(D),XP(h)
- S(j);N_GUARD::S(H)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H),XS(j)
- P(d);::QAB1(D),XP(d)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- P(d);XB(C)::QAB1(D)
- P(f);::QAB1(D),XP(h)
- S(j);N_GUARD::S(H)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H),XS(j)
- P(d);::QAB1(D),XP(d)
- Refutation
- P(c);
- Try
- B(C);XP(d)
- Vars
- P(f);::QAB1(D),XP(h)
- S(j);N_GUARD::S(H)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H),XS(j)
- Refutation
- P(c);
- Try
- R(G);XP(h)
- Vars
- S(a);N_GUARD,XB(C)::S(B)
- P(f);::QAB1(D),XP(f)
- S(j);N_GUARD::S(H)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(j);N_GUARD::S(H),XS(j)
- P(d);::R1(G),XP(f)
- Refutation
- P(i);
- Try
- Q(D);CHECK
- Vars
- K(e);P_SPINP(d),S_FLIGHT::R1(G),XP(d)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(D);
- Threat
- QAR2(D)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::R1(G),XP(d)
- K(e);S_FLIGHT::QAB1(D)
- P(f);::QAB1(D),XP(h)
- Refutation
- P(d);
- Try
- Actual
- Q(D);
- Threat
- QAR2(D)
- Vars
- K(e);P_SPINP(d),S_FLIGHT::R1(G),XP(d)
- K(e);S_FLIGHT::QAB1(D)
- P(d);::QAR1(D),XP(f)
- P(f);SBLOCK::R1(G),XP(d)
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).