MESON Chess Problem Database
Problem Display
PID: 71331 (q2rQ3/1PppPN2/4npp1/p2R4/Ppk5/1N3B2/1KP1p3/1n3bB1 w - - 0 1)
Miro, Francois
Comm., Express Wieczorny TT, 0000
#2
11 + 13
SOLUTION
- SOUND
- Sets
- 1...Qxb7
- 2.Sxa5#
- 1...Qb8
- 2.Sxa5#
- 1...Qc8
- 2.Sxa5#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Sd4
- 2.Rxd4#
- 2.Rc5#
- 1...Sf4
- 2.Rd4#
- 2.Rc5#
- 1...Sc5
- 2.Rd4#
- 2.Rxc5#
- 1...Sg5
- 2.Rd4#
- 2.Rc5#
- 1...Sg7
- 2.Rd4#
- 2.Rc5#
- 1...Sf8
- 2.Rd4#
- 2.Rc5#
- 1...f5
- 2.Se5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...d6
- 2.Qb5#
- 1...Qxb7
- Tries
- 1.Rd2?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...Sxd2
- 2.Sxd2#
- 1...Bg2
- 2.Bxe2#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- 1...Sc3!
- threat
- 1.Rd3?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...Sc3
- 2.Sd2#
- 1...Sd4
- 2.Rxd4#
- 1...Sf4
- 2.Rd4#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- 1...Bg2!
- threat
- 1.Rxa5?
- threat
- 2.Bd5#
- 1...Qxa5
- 2.Sxa5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- 1...Qxb7!
- threat
- 1.Rb5?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...d5!
- threat
- 1.Rf5?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rxf4#
- 2.Rc5#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- 1...gxf5!
- threat
- 1.Rg5?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...fxg5
- 2.Se5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rc5#
- 1...f5
- 2.Se5#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- 1...Sxg5!
- threat
- 1.Rd6?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...cxd6
- 2.Sxd6#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rd4#
- 1...c6!
- threat
- 1.Rxd7?
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rxc7#
- 1...c6
- 2.Sd6#
- 1...Rxd7!
- threat
- 1.bxa8Q?
- threat
- 2.Sxa5#
- 2.Qa6#
- 1...Rb8
- 2.Sxa5#
- 1...Sa3
- 2.Sd2#
- 2.Sxa5#
- 1...Sc3
- 2.Sd2#
- 2.Sxa5#
- 1...Sd4
- 2.Sxa5#
- 2.Rxd4#
- 2.Rc5#
- 1...Sc5
- 2.Sxa5#
- 2.Rd4#
- 2.Rxc5#
- 1...Rxa8!
- threat
- 1.Rd2?
- Keys
- 1.Re5!
- threat
- 2.Bd5#
- 1...Qxb7
- 2.Sxa5#
- 1...fxe5
- 2.Sxe5#
- 1...Bg2
- 2.Bxe2#
- 1...Sc3
- 2.Sd2#
- 1...Sf4
- 2.Rc5#
- 1...c6
- 2.Sd6#
- 1...d5
- 2.Qb5#
- threat
- 1.Re5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- Q(l);N_GUARD::S(D),XP(f)
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Tries
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- S(a);XR(G)::S(D),XS(a)
- B(b);N_GUARD::B(E),XP(c)
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Refutation
- S(a);
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Refutation
- B(b);
- Try
- R(G);XP(f)
- Threat
- B(E)
- Vars
- Q(l);XR(G)::S(D),XQ(l)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Refutation
- Q(l);XP(H)
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- P(j);N_GUARD::S(J)
- Refutation
- P(k);
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Refutation
- P(i);XR(G)
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- P(h);N_GUARD,XR(G)::S(J)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
- Refutation
- S(g);XR(G)
- Try
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- P(j);XR(G)::S(J),XP(j)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G)
- Refutation
- P(j);
- Try
- R(G);XP(k)
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R(G),XP(j)
- P(j);N_GUARD::S(J)
- Refutation
- R(m);XR(G)
- Try
- P(H);XQ(l)
- Threat
- DUALS(2)
- Vars
- R(m);::S(D),XP(f)
- Refutation
- R(m);XQ(H)
- Try
- Actual
- R(G);
- Threat
- B(E)
- Vars
- Q(l);N_GUARD,XP(H)::S(D),XP(f)
- P(h);XR(G)::S(J),XP(h)
- B(b);N_GUARD::B(E),XP(c)
- S(a);N_GUARD::S(D)
- S(g);N_GUARD::R1(G)
- P(j);N_GUARD::S(J)
- P(k);OGATE::QAB1(K)
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).