MESON Chess Problem Database
Problem Display
PID: 199827 (3R4/4n1b1/q3r2B/p5P1/2p4N/N1PBkPP1/1R4P1/rQn2K2 w - - 0 1)
Brugge, Joachim
Die Schwalbe, 2019
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Sxc4#
- 1...Qb6
- 2.Sxc4#
- 1...Qd6
- 2.Sxc4#
- 1...Qa7
- 2.Sxc4#
- 1...Qa8
- 2.Sxc4#
- 1...Ra2
- 2.Qxc1#
- 1...Rxa3
- 2.Qxc1#
- 1...Bxc3
- 2.g6#
- 1...Bd4
- 2.g6#
- 1...Bf6
- 2.gxf6#
- 1...Bh8
- 2.g6#
- 1...Sa2
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Sb3
- 2.Re2#
- 1...Sxd3
- 2.Re2#
- 1...Sd5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sc6
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sg8
- 2.Sf5#
- 1...Qb7
- Tries
- 1.Be2?
- threat
- 2.Sc2#
- 1...Rxa3
- 2.Qxc1#
- 1...Qd6
- 2.Sxc4#
- 1...Rd6
- 2.Qe4#
- 1...Bd4
- 2.g6#
- 1...Sd5
- 2.Sf5#
- 1...Sd3!
- threat
- 1.Bxc4?
- threat
- 2.Sc2#
- 1...Qxc4+
- 2.Sxc4#
- 1...Rxa3
- 2.Qxc1#
- 1...Rd6
- 2.Qe4#
- 1...Bd4
- 2.g6#
- 1...Sd3
- 2.Re2#
- 2.Rxd3#
- 1...Sd5
- 2.Sf5#
- 1...Qd6!
- threat
- 1.Be4?
- threat
- 2.Sc2#
- 1...Rxa3
- 2.Qxc1#
- 1...Qd6
- 2.Sxc4#
- 1...Bd4
- 2.g6#
- 1...Sd3
- 2.Re2#
- 1...Sd5
- 2.Sf5#
- 1...Rd6!
- threat
- 1.Bf5?
- threat
- 2.Sc2#
- 1...Rxa3
- 2.Qxc1#
- 1...Qd6
- 2.Sxc4#
- 1...Rd6
- 2.Qe4#
- 1...Bd4
- 2.g6#
- 1...Sd3
- 2.Re2#
- 1...Sd5!
- threat
- 1.Bg6?
- threat
- 2.Sc2#
- 1...Rxa3
- 2.Qxc1#
- 1...Qd6
- 2.Sxc4#
- 1...Rd6
- 2.Qe4#
- 1...Sd3
- 2.Re2#
- 1...Sd5
- 2.Sf5#
- 1...Bd4!
- threat
- 1.Be2?
- Keys
- 1.Bh7!
- threat
- 2.Sc2#
- 1...Rxa3
- 2.Qxc1#
- 1...Qd6
- 2.Sxc4#
- 1...Rd6
- 2.Qe4#
- 1...Bd4
- 2.g6#
- 1...Sd3
- 2.Re2#
- 1...Sd5
- 2.Sf5#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(f);N_GUARD::S(E),XP(d)
- R(a);N_GUARD::QAB(A),XS(b)
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- B(i);N_GUARD,XP(F)::B(L)+P(K)
- B(i);N_GUARD::B(L)+P(K)
- B(i);OGATE::B(L)+P(K),XB(i)
- S(b);N_GUARD,P_PINQ(A)::R1(C)
- S(b);N_GUARD,P_PINQ(A)::R1(C),XS(b)
- S(b);N_GUARD,P_PINQ(A),XB(G)::R1(C)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- Tries
- Try
- B(G);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- Q(f);N_GUARD::S(E),XP(d)
- R(g);N_GUARD::QAR1(A)
- B(i);N_GUARD::B(L)+P(K)
- S(h);N_GUARD::S(J)
- Refutation
- S(b);P_PINQ(A)
- Try
- B(G);P_SPINB(G),XP(d)
- Threat
- S(E)
- Vars
- Q(f);CHECK,XB(G)::S(E),XQ(f)
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- R(g);N_GUARD::QAR1(A)
- B(i);N_GUARD::B(L)+P(K)
- S(h);N_GUARD::S(J)
- Refutation
- Q(f);N_PINB(G)
- Try
- B(G);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- Q(f);N_GUARD::S(E),XP(d)
- B(i);N_GUARD::B(L)+P(K)
- S(b);N_GUARD,P_PINQ(A)::R1(C)
- S(h);N_GUARD::S(J)
- Refutation
- R(g);
- Try
- B(G);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- Q(f);N_GUARD::S(E),XP(d)
- R(g);N_GUARD::QAR1(A)
- B(i);N_GUARD::B(L)+P(K)
- S(b);N_GUARD,P_PINQ(A)::R1(C)
- Refutation
- S(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- Q(f);N_GUARD::S(E),XP(d)
- R(g);N_GUARD::QAR1(A)
- S(b);N_GUARD,P_PINQ(A)::R1(C)
- S(h);N_GUARD::S(J)
- Refutation
- B(i);
- Try
- Actual
- B(G);
- Threat
- S(E)
- Vars
- R(a);N_GUARD,XS(E)::QAB(A),XS(b)
- Q(f);N_GUARD::S(E),XP(d)
- R(g);N_GUARD::QAR1(A)
- B(i);N_GUARD::B(L)+P(K)
- S(b);N_GUARD,P_PINQ(A)::R1(C)
- S(h);N_GUARD::S(J)
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).