MESON Chess Problem Database
Problem Display
PID: 183501 (5B2/2p5/PRBRp3/QK2kp1N/8/3pP3/nn6/6q1 w - - 0 1)
Taylor, A
Problem Observer, 2016
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Kb4#
- 2.Qc3#
- 1...Sc3+
- 2.Qxc3#
- 1...Sb4
- 2.Kxb4#
- 1...Sd1
- 2.Ka4#
- 2.Kc4#
- 1...Sa4
- 2.Kxa4#
- 1...Sc4
- 2.Kxc4#
- 1...cxb6
- 2.Kxb6#
- 1...Sc1
- Tries
- 1.Bg2?
- threat
- 2.Kc6#
- 2.Bg7#
- 2.Rxe6#
- 1...Sc3+
- 2.Qxc3#
- 1...c6+
- 2.Kxc6#
- 1...Qxe3
- 2.Bg7#
- 1...cxb6
- 2.Kxb6#
- 1...cxd6
- 2.Bxd6#
- 2.Bg7#
- 1...f4
- 2.Kc6#
- 1...Qc1
- 2.Bg7#
- 2.Rxe6#
- 1...Qe1
- 2.Bg7#
- 2.Rxe6#
- 1...Sb4
- 2.Bg7#
- 2.Rxe6#
- 1...Sa4
- 2.Bg7#
- 2.Rxe6#
- 1...Sc4
- 2.Bg7#
- 2.Rxe6#
- 1...c5
- 2.Bg7#
- 2.Rxe6#
- 1...Qxg2!
- threat
- 1.Qb4?
- threat
- 2.Qc5#
- 2.Qd4#
- 2.Qf4#
- 1...Sc3+
- 2.Qxc3#
- 1...Qxe3
- 2.Bg7#
- 1...cxb6
- 2.Qd4#
- 2.Qf4#
- 1...cxd6
- 2.Bxd6#
- 2.Qxd6#
- 2.Qd4#
- 2.Qf4#
- 1...f4
- 2.Qc5#
- 2.Qe4#
- 2.Qxf4#
- 1...Qg2
- 2.Qd4#
- 2.Qf4#
- 1...Qf2
- 2.Bg7#
- 2.Qc5#
- 2.Qd4#
- 1...Qh2
- 2.Bg7#
- 2.Qc5#
- 2.Qd4#
- 1...Qc1
- 2.Bg7#
- 2.Qd4#
- 2.Qf4#
- 1...Qf1
- 2.Bg7#
- 2.Qc5#
- 2.Qd4#
- 1...Qh1
- 2.Bg7#
- 2.Qd4#
- 2.Qf4#
- 1...Qg3
- 2.Qc5#
- 2.Qd4#
- 1...Qg4
- 2.Qc5#
- 1...Qg5
- 2.Qc5#
- 2.Qd4#
- 1...Sa4
- 2.Qd4#
- 2.Qf4#
- 1...Sc4
- 2.Qc5#
- 1...Sxb4!
- threat
- 1.Qxa2?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 2.Qxb2#
- 1...Qxe3
- 2.Qxe6#
- 1...cxd6
- 2.Qxb2#
- 1...f4
- 2.Qxe6#
- 1...Qg2
- 2.Rxe6#
- 2.Qxe6#
- 1...Qf2
- 2.Rxe6#
- 2.Qxe6#
- 1...Qh2
- 2.Rxe6#
- 2.Qxe6#
- 1...Qa1
- 2.Rxe6#
- 2.Qxe6#
- 1...Qb1
- 2.Rxe6#
- 2.Qxe6#
- 1...Qc1
- 2.Rxe6#
- 2.Qxe6#
- 1...Qe1
- 2.Rxe6#
- 2.Qxe6#
- 1...Qg4
- 2.Rxe6#
- 2.Qxe6#
- 1...Qg6
- 2.Qxb2#
- 1...Qg8
- 2.Qxb2#
- 1...Sd1
- 2.Rxe6#
- 2.Qxe6#
- 1...Sa4
- 2.Rxe6#
- 2.Qxe6#
- 1...Sc4!
- threat
- 1.Bg2?
- Keys
- 1.Bf3!
- threat
- 2.Kc6#
- 2.Rxe6#
- 1...Sc3+
- 2.Qxc3#
- 1...c6+
- 2.Kxc6#
- 1...Qxe3
- 2.Bg7#
- 1...cxb6
- 2.Kxb6#
- 1...cxd6
- 2.Bxd6#
- 1...f4
- 2.Kc6#
- 1...Qc1
- 2.Bg7#
- 2.Rxe6#
- 1...Qe1
- 2.Bg7#
- 2.Rxe6#
- 1...Qg6
- 2.Kc6#
- 1...Qg8
- 2.Kc6#
- 1...Sb4
- 2.Rxe6#
- 1...Sa4
- 2.Rxe6#
- 1...Sc4
- 2.Rxe6#
- 1...c5
- 2.Rxe6#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(b);CHECK,N_GUARD::QAB(B),XS(b)
- S(b);::QAR(B)+K(C),XS(b)
- S(c);::QAR(B)+K(C),XS(c)
- P(h);XR(F)::QAR(B)+K(C),XP(h)
- Tries
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- S(b);CHECK,N_GUARD::QAB(B),XS(b)
- P(h);CHECK::QAR(B)+K(C),XP(h)
- Q(a);XP(A)::B(I)
- P(h);XR(F)::QAR(B)+K(C),XP(h)
- P(f);::QAR(B)+K(C)
- Refutation
- Q(a);XB(G)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(b);CHECK,N_GUARD::QAB(B),XS(b)
- Q(a);N_GUARD,XP(A)::B(I)
- Q(a);::QAR2(B)
- S(c);::QAR2(B)
- Refutation
- S(b);XQ(B)
- Try
- Q(B);XS(b)
- Threat
- DUALS(3)
- Vars
- Q(a);XP(A)::QAR1(B),XP(g)
- P(h);XR(H)::QAB(B),XS(c)
- P(f);::QAR1(B),XP(g)
- Q(a);::QAB(B),XS(c)
- Refutation
- S(c);
- Try
- Actual
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB(B),XS(b)
- P(h);CHECK::QAR(B)+K(C),XP(h)
- Q(a);N_GUARD,XP(A)::B(I)
- P(h);XR(F)::QAR(B)+K(C),XP(h)
- P(h);OGATE,XR(H)::B(I),XP(h)
- P(f);::QAR(B)+K(C)
- Q(a);::QAR(B)+K(C)
- S(b);::R1(H),XP(g)
- S(c);::R1(H),XP(g)
- P(h);::R1(H),XP(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).