MESON Chess Problem Database
Problem Display
PID: 95630 (2b5/1pPp3p/1P2p2p/2QNkn1R/4pN1R/p5pB/1r1P2K1/B7 w - - 0 1)
Beszczynski, Jan
L'Italia Scacchistica, 1953
#2
11 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...a2
- 2.Bxb2#
- 1...e3
- 2.Sd3#
- 1...exd5
- 2.Rxf5#
- 1...d6
- 2.Qc3#
- 1...a2
- Tries
- 1.Kf1?
- 1...exd5
- 2.Rxf5#
- 1...e3
- 2.Sd3#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...g2+!
- 1...exd5
- 1.Kg1?
- 1...exd5
- 2.Rxf5#
- 1...e3
- 2.Sd3#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...g2!
- 1...exd5
- 1.Kh1?
- 1...exd5
- 2.Rxf5#
- 1...e3
- 2.Sd3#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...g2+!
- 1...exd5
- 1.Bg4?
- 1...exd5
- 2.Rxf5#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...e3!
- 1...exd5
- 1.Rg4?
- 1...e3
- 2.Sd3#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...exd5!
- 1...e3
- 1.Qb4?
- 1...exd5
- 2.Rxf5#
- 1...a2
- 2.Bxb2#
- 1...d6
- 2.Qc3#
- 1...e3!
- 1...exd5
- 1.Kf1?
- Keys
- 1.Se2!
- 1...exd5
- 2.Qe7#
- 1...a2
- 2.Bxb2#
- 1...e3
- 2.d4#
- 1...d6
- 2.Qd4#
- 1...exd5
- 1.Se2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(b);N_GUARD::B(A),XR(a)
- P(d);N_GUARD::S(E)
- P(g);N_GUARD,P_SPINP(g),XS(H)::R1(I),XS(f)
- P(j);SBLOCK::QAB(G)
- Tries
- Try
- K(C);N_SPINP(B),S_FLIGHT
- Vars
- P(g);N_GUARD,P_SPINP(g),XS(H)::R1(I),XS(f)
- P(d);N_GUARD::S(E)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(c);CHECK
- Try
- K(C);N_SPINP(B),P-FLIGHT
- Vars
- P(g);N_GUARD,P_SPINP(g),XS(H)::R1(I),XS(f)
- P(d);N_GUARD::S(E)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(c);
- Try
- K(C);N_SPINP(B),S_FLIGHT
- Vars
- P(g);N_GUARD,P_SPINP(g),XS(H)::R1(I),XS(f)
- P(d);N_GUARD::S(E)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(c);CHECK
- Try
- B(D);
- Vars
- P(g);N_GUARD,P_SPINP(g),XS(H)::R1(I),XS(f)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- P(d);N_GUARD::S(E)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(g);P_SPINP(g),XS(H)
- Try
- Q(G);
- Vars
- P(g);N_GUARD,XS(H)::R1(I),XS(f)
- P(b);N_GUARD::B(A),XR(a)
- P(j);SBLOCK::QAB(G)
- Refutation
- P(d);
- Try
- Actual
- S(E);N_SPINP(B)
- Vars
- P(g);OGATEB,P_SPINP(g),SBLOCK,XS(H)::QAR2(G)
- P(b);N_GUARD::B(A),XR(a)
- P(d);N_GUARD::P(B)
- P(j);SBLOCK::QAB1(G)
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).