MESON Chess Problem Database
Problem Display
PID: 151413 (3NB3/p6r/p4q1b/k2pQ1n1/1R4r1/PR1p3p/2pN1Bb1/2K5 w - - 0 1)
Zurutuza, Imanol
Probleemblad, 2013
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Sc6#
- 1...Qe7
- 2.Sc6#
- 1...Qg7
- 2.Sc6#
- 1...Qh8
- 2.Sc6#
- 1...Qxf2
- 2.Sc6#
- 1...Qf3
- 2.Sc6#
- 1...Qf4
- 2.Sc6#
- 1...Qf5
- 2.Sc6#
- 1...Qc6
- 2.Sxc6#
- 1...Qf7
- 2.Sc6#
- 1...Qf8
- 2.Sc6#
- 1...Rg3
- 2.Sc4#
- 2.Ra4#
- 1...Rxb4
- 2.axb4#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Qxd5#
- 1...Rb7
- 2.Sxb7#
- 1...Rh8
- 2.Sb7#
- 1...Bf1
- 2.Qxd5#
- 1...Be4
- 2.Sc4#
- 2.Ra4#
- 1...Bg7
- 2.Sb7#
- 1...Sf3
- 2.Qxd5#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 1...Sf7
- 2.Sb7#
- 1...Qxe5
- Tries
- 1.Rc3?
- threat
- 2.Sb3#
- 2.Rc5#
- 1...Qxf2
- 2.Sb3#
- 2.Sc6#
- 1...Qe7
- 2.Sb3#
- 2.Sc6#
- 1...Qf4
- 2.Sc6#
- 2.Rc5#
- 1...Qb6
- 2.Sb3#
- 1...Qc6
- 2.Sb3#
- 2.Sxc6#
- 1...Qd6
- 2.Sb3#
- 1...Qf8
- 2.Sb3#
- 2.Sc6#
- 1...Rc4
- 2.Sb3#
- 2.Sxc4#
- 1...Rb7
- 2.Sb3#
- 2.Sxb7#
- 1...Rc7
- 2.Sb3#
- 1...Bf8
- 2.Sb3#
- 1...Sf3
- 2.Rc5#
- 2.Qxd5#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 1...Sf7
- 2.Sb7#
- 2.Rc5#
- 1...Rxb4!
- threat
- 1.Rxd3?
- threat
- 2.Sb3#
- 1...Qf4
- 2.Sc6#
- 1...Sf3
- 2.Rxd5#
- 2.Qxd5#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 1...Sf7
- 2.Sb7#
- 1...Rxb4!
- threat
- 1.Qc3?
- threat
- 2.Ra4#
- 2.Rd4#
- 2.Qc5#
- 1...Qxf2
- 2.Sc6#
- 2.Ra4#
- 2.Rc4#
- 2.Rd4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 1...Rxb4
- 2.Qxb4#
- 2.axb4#
- 1...Qb6
- 2.Ra4#
- 1...Qd4
- 2.Sc6#
- 2.Ra4#
- 2.Rxd4#
- 1...Qe7
- 2.Sc6#
- 2.Ra4#
- 1...Qc6
- 2.Sxc6#
- 2.Rc4#
- 1...Qd6
- 2.Ra4#
- 1...Qf8
- 2.Sc6#
- 2.Ra4#
- 1...Rc4
- 2.Ra4#
- 1...Rd4
- 2.Ra4#
- 2.Rc4#
- 2.Rxd4#
- 2.Qc5#
- 1...Rb7
- 2.Sxb7#
- 2.Ra4#
- 1...Rc7
- 2.Ra4#
- 1...Rd7
- 2.Rd4#
- 2.Qc5#
- 1...Bf8
- 2.Ra4#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 2.Ra4#
- 2.Rd4#
- 1...d4
- 2.Sc4#
- 2.Ra4#
- 2.Rxd4#
- 2.Qc5#
- 1...Qxc3!
- threat
- 1.Qd4?
- threat
- 2.Ra4#
- 2.Qc5#
- 1...Qxd4
- 2.Sc6#
- 1...Qxf2
- 2.Sc6#
- 2.Ra4#
- 1...Qb6
- 2.Ra4#
- 1...Qe7
- 2.Sc6#
- 2.Ra4#
- 1...Qc6
- 2.Sxc6#
- 1...Qd6
- 2.Ra4#
- 1...Qf8
- 2.Sc6#
- 2.Ra4#
- 1...Rb7
- 2.Sxb7#
- 2.Ra4#
- 1...Rc7
- 2.Ra4#
- 1...Bf8
- 2.Ra4#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 2.Ra4#
- 1...Rxd4!
- threat
- 1.Qc7+?
- 1...Qb6
- 2.Sc6#
- 2.Sb7#
- 1...Rxc7!
- 1...Qb6
- 1.Rc3?
- Keys
- 1.Rb2!
- threat
- 2.Sb3#
- 1...Rxb4
- 2.axb4#
- 1...Qf4
- 2.Sc6#
- 1...Sf3
- 2.Qxd5#
- 1...Se4
- 2.Ra4#
- 1...Se6
- 2.Sc6#
- 1...Sf7
- 2.Sb7#
- threat
- 1.Rb2!
This is a version of 151414
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 16
- Sets
- Q(j);N_GUARD,N_SPINP(g),XQ(G)::S(H)
- Q(j);N_GUARD::S(H)
- Q(j);N_GUARD,XB(C)::S(H)
- Q(j);N_GUARD,P_PINS(B)::S(H)
- Q(j);N_GUARD::S(H),XQ(j)
- R(e);OGATE,XR(F)::P(D),XR(e)
- R(e);N_GUARD::S(B),XR(e)
- R(e);S_CUTB(b)::QAR(G),XP(g)
- R(m);N_GUARD::S(H),XR(m)
- R(m);N_GUARD::S(H)
- B(b);N_GUARD::QAR(G),XP(g)
- B(k);S_CUTR(m)::S(H)
- S(h);P_PINS(B),S_CUTB(b)::QAR(G),XP(g)
- S(h);P_PINS(B),S_CUTR(e)::R1(F)
- S(h);P_PINS(B),S_CUTQ(j)::S(H)
- S(h);P_PINS(B),S_CUTR(m)::S(H)
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- Q(j);::S(B)
- R(m);::S(B)
- B(k);::S(B)
- S(h);P_PINS(B),S_CUTR(e)::R1(F)
- S(h);P_PINS(B),S_CUTQ(j)::S(H)
- Refutation
- R(e);XR(F)
- Try
- R(E);XP(c)
- Threat
- S(B)
- Vars
- Q(j);N_GUARD,P_PINS(B)::S(H)
- S(h);P_PINS(B),S_CUTR(e)::R1(F)
- S(h);P_PINS(B),S_CUTQ(j)::S(H)
- S(h);P_PINS(B),S_CUTR(m)::S(H)
- Refutation
- R(e);XR(F)
- Try
- Q(G);N_PINP(g)
- Threat
- DUALS(3)
- Vars
- Q(j);::QAB(G)+R(F),DCHECK
- R(e);::QAB(G)+R(F),DCHECK
- R(m);::QAB(G)+R(F),DCHECK
- B(k);::QAB(G)+R(F),DCHECK
- S(h);P_PINS(B)::QAB(G)+R(F),DCHECK
- Refutation
- Q(j);XQ(G)
- Try
- Q(G);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,XQ(G)::S(H)
- Q(j);::R1(F)
- Q(j);N_GUARD::S(H),XQ(j)
- R(m);::R1(F)
- B(k);::R1(F)
- S(h);P_PINS(B)::R1(F)
- Refutation
- R(e);XQ(G)
- Try
- Q(G);CHECK,N_PINP(g)
- Refutation
- R(m);XQ(G)
- Try
- Actual
- R(E);
- Threat
- S(B)
- Vars
- R(e);OGATE,XR(F)::P(D),XR(e)
- Q(j);N_GUARD,P_PINS(B)::S(H)
- S(h);P_PINS(B),S_CUTB(b)::QAR(G),XP(g)
- S(h);P_PINS(B),S_CUTR(e)::R1(F)
- S(h);P_PINS(B),S_CUTQ(j)::S(H)
- S(h);P_PINS(B),S_CUTR(m)::S(H)
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).