MESON Chess Problem Database
Problem Display
PID: 242826 (6B1/qb6/5B1K/5pp1/1pP1k3/1N2p1P1/1nP1p1P1/3RQRnN w - - 0 1)
Bakcsi, Gyorgy
idee & form, 1992
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Rxd4#
- 1...Qc5
- 2.Sxc5#
- 1...Qb8
- 2.Sc5#
- 2.Rd4#
- 1...Qa1
- 2.Sc5#
- 2.Rd4#
- 1...Qa2
- 2.Sc5#
- 2.Rd4#
- 1...Qa3
- 2.Sc5#
- 2.Rd4#
- 1...Qa4
- 2.Sc5#
- 2.Rd4#
- 1...Qa5
- 2.Rd4#
- 1...Qa6
- 2.Sc5#
- 2.Rd4#
- 1...Qa8
- 2.Sc5#
- 2.Rd4#
- 1...Bd5
- 2.Bxd5#
- 1...Ba6
- 2.Bd5#
- 1...Bc8
- 2.Bd5#
- 1...Sf3
- 2.gxf3#
- 1...Sd3
- 2.cxd3#
- 1...exd1Q
- 2.Sf2#
- 1...exd1S
- 2.Sd2#
- 1...exd1B
- 2.Sf2#
- 2.Sd2#
- 1...exd1R
- 2.Sf2#
- 1...exf1Q
- 2.Sd2#
- 1...exf1S
- 2.Sf2#
- 1...exf1B
- 2.Sf2#
- 2.Sd2#
- 1...exf1R
- 2.Sd2#
- 1...f4
- 2.Bh7#
- 1...g4
- 2.Rf4#
- 1...Qd4
- Tries
- 1.Kxg5?
- threat
- 2.Rf4#
- 1...Sf3+
- 2.gxf3#
- 1...exf1Q
- 2.Sd2#
- 1...exf1S
- 2.Sf2#
- 1...exf1B
- 2.Sf2#
- 2.Sd2#
- 1...exf1R
- 2.Sd2#
- 1...Qb8
- 2.Sc5#
- 2.Rd4#
- 1...Sd3
- 2.cxd3#
- 1...f4
- 2.Bh7#
- 2.Rxf4#
- 1...Sh3+!
- threat
- 1.Be6?
- threat
- 2.Bxf5#
- 1...exf1Q
- 2.Sd2#
- 1...exf1S
- 2.Sf2#
- 1...exf1B
- 2.Sf2#
- 2.Sd2#
- 1...exf1R
- 2.Sd2#
- 1...Qc5
- 2.Sxc5#
- 1...Qa5
- 2.Rd4#
- 1...Bc8
- 2.Bd5#
- 1...Sf3
- 2.gxf3#
- 1...f4!
- threat
- 1.Bh7?
- threat
- 2.Bxf5#
- 1...exf1Q
- 2.Sd2#
- 1...exf1S
- 2.Sf2#
- 1...exf1B
- 2.Sf2#
- 2.Sd2#
- 1...exf1R
- 2.Sd2#
- 1...Qc5
- 2.Sxc5#
- 1...Qa5
- 2.Rd4#
- 1...Sf3
- 2.gxf3#
- 1...Bc8!
- threat
- 1.Rd5?
- threat
- 2.Re5#
- 1...Bxd5
- 2.Bxd5#
- 1...Qd4
- 2.Rxd4#
- 1...Qc5
- 2.Sxc5#
- 1...Qb8
- 2.Sc5#
- 2.Rd4#
- 1...Qa5
- 2.Rd4#
- 1...Sf3
- 2.gxf3#
- 1...Sd3
- 2.cxd3#
- 1...Sxc4!
- threat
- 1.Qc3?
- threat
- 2.Qe5#
- 1...Sxc4
- 2.Qd3#
- 1...Qd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Qc5
- 2.Sxc5#
- 1...Qb8
- 2.Sc5#
- 2.Rd4#
- 2.Qd4#
- 1...Qa5
- 2.Rd4#
- 2.Qd4#
- 1...Sf3
- 2.gxf3#
- 1...Sd3
- 2.Qxd3#
- 2.cxd3#
- 1...bxc3!
- threat
- 1.Qxe2?
- threat
- 2.Sf2#
- 2.Sd2#
- 1...Sxd1
- 2.Sd2#
- 2.Qd3#
- 1...Sxc4
- 2.Sf2#
- 2.Qd3#
- 1...f4
- 2.Bh7#
- 1...Qd4
- 2.Sf2#
- 2.Rxd4#
- 1...Sf3
- 2.Sf2#
- 2.Qxf3#
- 2.gxf3#
- 1...Sh3
- 2.Sd2#
- 2.Qf3#
- 1...Sd3
- 2.Sd2#
- 2.Qxd3#
- 2.cxd3#
- 1...Sxe2!
- threat
- 1.Kxg5?
- Keys
- 1.c5!
- threat
- 2.Rd4#
- 1...Qxc5
- 2.Sxc5#
- 1...Sxd1
- 2.Qxb4#
- 1...exd1Q
- 2.Sf2#
- 1...exd1S
- 2.Sd2#
- 1...exd1B
- 2.Sf2#
- 2.Sd2#
- 1...exd1R
- 2.Sf2#
- 1...f4
- 2.Bh7#
- 1...Sf3
- 2.gxf3#
- 1...Sd3
- 2.cxd3#
- threat
- 1.c5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::R1(A),XQ(i)
- Q(i);N_GUARD::S(G),XQ(i)
- Q(i);N_GUARD::R1(A)
- B(j);N_GUARD::B(L),XB(j)
- B(j);N_GUARD::B(L)
- S(a);OGATE::P(F),XS(a)
- S(b);OGATE::P(E),XS(b)
- P(c);P_SPINP(d),XR(A)::S(D)
- P(c);P_SPINP(d),XR(A)::S(G)
- P(c);P_SPINP(d),XR(C)::S(G)
- P(c);P_SPINP(d),XR(C)::S(D)
- P(g);OGATEB::B(L)
- P(h);N_GUARD::R1(C)
- Tries
- Try
- K(K);S_FLIGHT,XP(h)
- Threat
- R1(C)
- Vars
- S(a);CHECK,OGATE::P(F),XS(a)
- P(c);P_SPINP(d),XR(C)::S(G)
- P(c);P_SPINP(d),XR(C)::S(D)
- S(b);OGATE::P(E),XS(b)
- Refutation
- S(a);CHECK
- Try
- B(L);
- Threat
- B(L),XP(g)
- Vars
- P(c);P_SPINP(d),XR(C)::S(G)
- P(c);P_SPINP(d),XR(C)::S(D)
- Q(i);N_GUARD::S(G),XQ(i)
- Q(i);N_GUARD::R1(A)
- B(j);N_GUARD::B(L)
- S(a);OGATE::P(F),XS(a)
- Refutation
- P(g);
- Try
- B(L);P_PINP(g)
- Threat
- B(L),XP(g)
- Vars
- P(c);N_SPINP(g),P_SPINP(d),XR(C)::S(G)
- P(c);N_SPINP(g),P_SPINP(d),XR(C)::S(D)
- Q(i);N_GUARD::S(G),XQ(i)
- Q(i);N_GUARD::R1(A)
- S(a);OGATE::P(F),XS(a)
- Refutation
- B(j);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- B(j);OGATE,XR(A)::B(L),XB(j)
- Q(i);N_GUARD::R1(A),XQ(i)
- Q(i);N_GUARD::S(G),XQ(i)
- Q(i);N_GUARD::R1(A)
- S(a);OGATE::P(F),XS(a)
- S(b);OGATE::P(E),XS(b)
- Refutation
- S(b);XP(I)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- S(b);N_GUARD,XP(I)::QAB1(B)
- Q(i);N_GUARD::S(G),XQ(i)
- S(a);OGATE::P(F),XS(a)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);P_PINP(d),XP(c)
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB::B(L)
- Refutation
- S(a);N_SPINP(d),XQ(B)
- Try
- Actual
- P(I);
- Threat
- R1(A)
- Vars
- Q(i);XP(I)::S(G),XQ(i)
- S(b);N_GUARD,XR(A)::QAR(B),XP(e)
- P(c);P_SPINP(d),XR(A)::S(D)
- P(c);P_SPINP(d),XR(A)::S(G)
- P(g);OGATEB::B(L)
- S(a);OGATE::P(F),XS(a)
- S(b);OGATE::P(E),XS(b)
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).