MESON Chess Problem Database
Problem Display
PID: 163024 (1BK1B3/r1P1p3/k3Nq1R/2pN4/2R3r1/3P2pb/8/4Q1b1 w - - 0 1)
Maleika, Gerhard
Tehtavaniekka, 2014
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sxc5#
- 2.Qxa1#
- 1...Qb2
- 2.Sxc5#
- 1...Qd4
- 2.Sxc5#
- 1...Qh4
- 2.Sxc5#
- 2.Qa1#
- 1...Qe5
- 2.Sxc5#
- 1...Qg5
- 2.Sxc5#
- 2.Qa1#
- 1...Qg7
- 2.Sxc5#
- 1...Qh8
- 2.Sxc5#
- 1...Qf1
- 2.Sxc5#
- 1...Qf2
- 2.Sxc5#
- 1...Qf3
- 2.Sxc5#
- 2.Qa1#
- 1...Qf4
- 2.Sxc5#
- 2.Qa1#
- 1...Qf5
- 2.Qa1#
- 1...Qxe6+
- 2.Rxe6#
- 1...Qg6
- 2.Qa1#
- 1...Qxh6
- 2.Qa1#
- 1...Qf7
- 2.Sxc5#
- 2.Qa1#
- 1...Qf8
- 2.Sxc5#
- 2.Qa1#
- 1...Rd4
- 2.Qa1#
- 1...Rg5
- 2.Ra4#
- 1...Rg6
- 2.Ra4#
- 1...Rg7
- 2.Ra4#
- 1...Rg8
- 2.Ra4#
- 1...Rxc7+
- 2.Sexc7#
- 1...Bh2
- 2.Sxc5#
- 1...Bd4
- 2.Ra4#
- 1...Qa1
- Tries
- 1.Rxf6?
- threat
- 2.Sxc5#
- 2.Qa1#
- 1...Rxc7+
- 2.Sexc7#
- 1...exf6
- 2.Qa1#
- 1...Rd4
- 2.Qa1#
- 1...Re4
- 2.Qa1#
- 1...Rf4
- 2.Qa1#
- 1...Rh4
- 2.Qa1#
- 1...Rg5
- 2.Ra4#
- 2.Qa1#
- 1...Rg6
- 2.Ra4#
- 2.Qa1#
- 1...Rg7
- 2.Ra4#
- 2.Qa1#
- 1...Rg8
- 2.Ra4#
- 2.Qa1#
- 1...Bd4
- 2.Sxc5#
- 2.Ra4#
- 1...Rxc4!
- threat
- 1.Qb4?
- threat
- 2.Bb5#
- 2.Qa3#
- 2.Qa4#
- 2.Qb5#
- 2.Qb6#
- 1...Qxe6+
- 2.Rxe6#
- 1...Rxc7+
- 2.Sdxc7#
- 2.Sexc7#
- 1...Rxc4
- 2.Bb5#
- 2.Qb5#
- 2.Qb6#
- 1...Qa1
- 2.Sxc5#
- 2.Bb5#
- 2.Qb5#
- 2.Qb6#
- 1...Qb2
- 2.Sxc5#
- 2.Bb5#
- 2.Qa4#
- 1...Qc3
- 2.Sxc5#
- 2.Bb5#
- 2.Qb5#
- 2.Qb6#
- 1...Qh8
- 2.Sxc5#
- 2.Qa3#
- 2.Qa4#
- 2.Qb5#
- 2.Qb6#
- 1...Qf8
- 2.Sxc5#
- 2.Qa3#
- 2.Qa4#
- 2.Qb5#
- 2.Qb6#
- 1...Rg8
- 2.Qa3#
- 2.Qa4#
- 2.Qb5#
- 2.Qb6#
- 1...Rb7
- 2.Qa3#
- 2.Qa4#
- 1...cxb4!
- threat
- 1.Rxf6?
- Keys
- 1.d4!
- threat
- 2.Sxc5#
- 2.Ra4#
- 2.Qa1#
- 1...Qxe6+
- 2.Rxe6#
- 1...Rxc7+
- 2.Sexc7#
- 1...Qxd4
- 2.Sxc5#
- 1...Rxd4
- 2.Qa1#
- 1...Bxd4
- 2.Ra4#
- 1...cxd4
- 2.Sc5#
- 2.Ra4#
- 2.Qa1#
- 1...Qf1
- 2.Sxc5#
- 2.Ra4#
- 1...Qf2
- 2.Sxc5#
- 2.Ra4#
- 1...Qf3
- 2.Sxc5#
- 2.Ra4#
- 1...Qf5
- 2.Ra4#
- 2.Qa1#
- 1...Re4
- 2.Ra4#
- 2.Qa1#
- 1...Rf4
- 2.Ra4#
- 2.Qa1#
- 1...Rh4
- 2.Ra4#
- 2.Qa1#
- 1...Rg5
- 2.Ra4#
- 2.Qa1#
- 1...Rg6
- 2.Ra4#
- 2.Qa1#
- 1...Rg7
- 2.Ra4#
- 2.Qa1#
- 1...Rg8
- 2.Ra4#
- 2.Qa1#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- Q(g);::R(F)+S(E),DCHECK,XP(e)
- Q(g);P_PINB(J)::R(F)+S(E),DCHECK,XP(e)
- Q(g);N_GUARD,P_PINS(E)::QAR(A)
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(E)::R(F),XQ(g)
- Q(g);N_GUARD::QAR(A)
- Q(g);N_GUARD,SBLOCK,XR(F)::QAR(A)
- R(d);P_PINS(E),S_CUTQ(g)::QAR(A)
- R(d);N_GUARD,P_PINS(E)::R(C)
- R(d);N_GUARD,P_PINB(J),P_PINS(E)::R(C)
- R(h);CHECK,XP(G)::S(E),XR(h)
- B(a);N_GUARD::S(E),XP(e)
- B(a);S_CUTR(d)::R(C)
- Tries
- Try
- R(F);XQ(g)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XP(G)::R(F)+S(E),DCHECK,XR(h)
- P(i);XR(F)::QAR(A)
- R(d);P_PINS(E)::QAR(A)
- Refutation
- R(d);P_PINS(E),XR(C)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(E)::R(F),XQ(g)
- Refutation
- P(e);XQ(A)
- Try
- Actual
- P(B);
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XS(E)::R(F),XQ(g)
- R(h);CHECK,XP(G)::S(E),XR(h)
- Q(g);XP(B)::R(F)+S(E),DCHECK,XP(e)
- R(d);P_PINS(E),XP(B)::QAR(A)
- B(a);XP(B)::R(C)
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).