MESON Chess Problem Database
Problem Display
PID: 262478 (3r2b1/1R1p1P2/2PN2P1/BP1NkBKn/q1P3P1/1p1R2p1/n6Q/4r3 w - - 0 1)
Rotenberg, Jacques
Wassong, Pascal
Europe Echecs, 1995
#2
14 + 10
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...Sf6
- 2.Qxg3#
- 1...Sg7
- 2.Qxg3#
- 1...Qxc4
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...Sxc3
- 2.Bxc3#
- 1...dxc6
- 2.Re7#
- 1...Rd1
- 2.Qe2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- 1...Sb4!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sexc4#
- 2.Sdxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...dxc6
- 2.Re7#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- 1...Rd1!
- threat
- 1.Sb4?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Bxf7
- 2.Sxf7#
- 1...Sxb4
- 2.Qb2#
- 1...dxc6
- 2.Sxc6#
- 2.Re7#
- 1...Rd1
- 2.Qe2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- 1...Sc3!
- threat
- 1.Sf4?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...Sxf4
- 2.Qh8#
- 1...dxc6
- 2.Re7#
- 1...Rd1
- 2.Qe2#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf6!
- threat
- 1.Sb6?
- threat
- 2.Rd5#
- 1...Qxc4
- 2.Sbxc4#
- 2.Sdxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...dxc6
- 2.Re7#
- 1...Rd1
- 2.Qe2#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- 1...Qxb5!
- threat
- 1.Sf6?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...Sxf6
- 2.Qxg3#
- 1...dxc6
- 2.Re7#
- 1...Rd1
- 2.Qe2#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf4!
- threat
- 1.Sc7?
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...Rd1
- 2.Qe2#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- 1...dxc6!
- threat
- 1.Qxg3+?
- 1...Sf4
- 2.Qxf4#
- 1...Sxg3!
- 1...Sf4
- 1.Sc3?
- Keys
- 1.Se7!
- threat
- 2.Rd5#
- 1...Qxb5
- 2.Rxb5#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxf7
- 2.Sxf7#
- 1...dxc6
- 2.Sxc6#
- 1...Rd1
- 2.Qe2#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qb2#
- 1...Sf4
- 2.Qh8#
- 1...Sf6
- 2.Qxg3#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- S(g);N_GUARD::QAB(A),XP(d)
- Tries
- Try
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- S(b);OGATE,XS(G)::B(E),XS(b)
- P(h);OGATE,XP(J)::R(M)
- R(a);N_GUARD::QAR(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),XP(d)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- P(h);OGATE,XP(J)::R(M)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),XP(d)
- Refutation
- R(a);
- Try
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- S(b);N_GUARD,XS(G)::QAB(A)
- R(a);N_GUARD::QAR(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),XP(d)
- Refutation
- S(b);
- Try
- S(G);N_PINP(d)
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- S(g);OGATE,XS(G)::QAB(A)
- P(h);OGATE,XP(J)::R(M)
- R(a);N_GUARD::QAR(A)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- Refutation
- S(g);
- Try
- S(G);
- Threat
- R1(B)
- Vars
- B(j);XP(N)::S(K),XB(j)
- P(h);OGATE,XP(J)::R(M)
- R(a);N_GUARD::QAR(A)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),XP(d)
- Refutation
- Q(e);XP(F)
- Try
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- S(g);N_GUARD,XS(G)::QAB(A),XP(d)
- P(h);OGATE,XP(J)::R(M)
- R(a);N_GUARD::QAR(A)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- Refutation
- S(g);N_SPINP(d)
- Try
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- R(a);N_GUARD::QAR(A)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),XP(d)
- Refutation
- P(h);XP(J)
- Try
- Q(A);CHECK,XP(d)
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAB1(A),XS(g)
- Refutation
- S(g);XQ(A)
- Try
- Actual
- S(G);
- Threat
- R1(B)
- Vars
- Q(e);OGATE,XP(F)::R(M),XQ(e)
- Q(e);XP(C)::S(K),XQ(e)
- B(j);XP(N)::S(K),XB(j)
- P(h);XP(J)::S(G),XP(h)
- R(a);N_GUARD::QAR(A)
- S(b);N_GUARD::B(E),XS(b)
- S(b);N_GUARD::QAB(A)
- S(g);N_SPINP(d),OGATE::QAB(A)
- S(g);N_GUARD::QAB(A),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).