MESON Chess Problem Database
Problem Display
PID: 98939 (8/8/2K5/pB1PPN2/pr2k1P1/p1QN2b1/P1R2pPp/4rR1n w - - 0 1)
Velimirovic, Milan
Problemas, 1969
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Re2#
- 1...Reb1
- 2.Re2#
- 1...Rc1
- 2.Re2#
- 1...Rd1
- 2.Re2#
- 1...Rxf1
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...Re3
- 2.Sd6#
- 1...Rbb1
- 2.Qd4#
- 2.Qc4#
- 1...Rb2
- 2.Qd4#
- 2.Qc4#
- 1...Rb3
- 2.Qd4#
- 2.Qc4#
- 1...Rc4+
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Rxb5
- 2.Qd4#
- 2.Qc4#
- 1...Bf4
- 2.Sc5#
- 1...Bxe5
- 2.Qxe5#
- 1...Ra1
- Tries
- 1.Sxb4?
- threat
- 2.Qd4#
- 1...Bxe5
- 2.Qf3#
- 1...Rd1
- 2.Qe3#
- 1...Kf4!
- threat
- 1.Bc4?
- threat
- 2.Qd4#
- 1...Rxc4+
- 2.Qxc4#
- 1...Bxe5
- 2.Qxe5#
- 1...Rb6+!
- threat
- 1.Rfxf2?
- threat
- 2.Sc5#
- 2.Qxe1#
- 1...Rc4+
- 2.Qxc4#
- 1...Rxb5
- 2.Qd4#
- 2.Qc4#
- 1...Sxf2
- 2.Qxe1#
- 1...Ra1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Reb1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Rc1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Rd1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Rf1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Rg1
- 2.Sc5#
- 2.Rce2#
- 2.Rfe2#
- 1...Re2
- 2.Sc5#
- 2.Rcxe2#
- 2.Rfxe2#
- 1...Re3
- 2.Sc5#
- 2.Sd6#
- 1...Rbb1
- 2.Sc5#
- 2.Qd4#
- 2.Qc4#
- 1...Rd4
- 2.Qxe1#
- 2.Qxd4#
- 1...Bf4
- 2.Sc5#
- 2.Rxf4#
- 1...Bxf2!
- threat
- 1.Rd2?
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf1
- 2.Re2#
- 1...Rxb5
- 2.Qd4#
- 2.Qc4#
- 1...Bxe5
- 2.Qxe5#
- 1...Ra1
- 2.Re2#
- 1...Reb1
- 2.Re2#
- 1...Rc1
- 2.Re2#
- 1...Rd1
- 2.Re2#
- 1...Re2
- 2.Rxe2#
- 1...Re3
- 2.Sd6#
- 1...Rbb1
- 2.Qd4#
- 2.Qc4#
- 1...Rb2
- 2.Qd4#
- 2.Qc4#
- 1...Rb3
- 2.Qd4#
- 2.Qc4#
- 1...Rd4
- 2.Qxd4#
- 1...Bf4
- 2.Sc5#
- 1...Bh4!
- 1...Rc4+
- 1.Rcxf2?
- threat
- 2.Sc5#
- 2.Rxe1#
- 2.Qxe1#
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf1
- 2.Sc5#
- 2.Re2#
- 1...Rxb5
- 2.Rxe1#
- 2.Qd4#
- 2.Qc4#
- 1...Sxf2
- 2.Rxe1#
- 2.Qxe1#
- 1...Ra1
- 2.Sc5#
- 2.Re2#
- 1...Reb1
- 2.Sc5#
- 2.Re2#
- 1...Rc1
- 2.Sc5#
- 2.Re2#
- 1...Rd1
- 2.Sc5#
- 2.Re2#
- 1...Re2
- 2.Sc5#
- 2.Rxe2#
- 1...Re3
- 2.Sc5#
- 2.Sd6#
- 1...Rbb1
- 2.Sc5#
- 2.Qd4#
- 2.Qc4#
- 1...Rb2
- 2.Sc5#
- 2.Qd4#
- 2.Qc4#
- 1...Rd4
- 2.Rxe1#
- 2.Qxe1#
- 2.Qxd4#
- 1...Bf4
- 2.Sc5#
- 2.Rxf4#
- 1...Bxf2!
- threat
- 1.Qc5?
- threat
- 2.Sd6#
- 1...Rxb5
- 2.Qd4#
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Bxe5!
- threat
- 1.Sxb4?
- Keys
- 1.Qd2!
- 1...Rc4+
- 2.Rxc4#
- 1...Rxf1
- 2.Qe3#
- 2.Qe2#
- 1...Rxb5
- 2.Rc4#
- 1...Bxe5
- 2.Sc5#
- 1...Bh4
- 2.Qf4#
- 1...Ra1
- 2.Qe3#
- 2.Qe2#
- 1...Reb1
- 2.Qe3#
- 2.Qe2#
- 1...Rc1
- 2.Qe3#
- 2.Qe2#
- 1...Rd1
- 2.Qe3#
- 2.Qe2#
- 1...Re2
- 2.Qxe2#
- 1...Re3
- 2.Qxe3#
- 1...Rbb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Rd4
- 2.Sd6#
- 1...Bf4
- 2.Qxf4#
- 1...Rc4+
- 1.Qd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::R(C)
- R(a);N_GUARD,XR(A)::R(C)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(K)
- R(h);CHECK,N_GUARD::QAR2(E),XR(h)
- R(h);N_GUARD::QAR1(E),XR(h)
- B(f);SBLOCK::S(F)
- B(f);OGATE,XP(J)::QAR1(E),XB(f)
- Tries
- Try
- S(F);XR(h)
- Threat
- QAR1(E)
- Vars
- B(f);SBLOCK,XP(J)::QAB1(E)
- R(a);N_GUARD::QAR1(E)
- Refutation
- K(i);P-FLIGHT,P_SPINP(c)
- Try
- B(H);
- Threat
- QAR1(E)
- Vars
- R(h);CHECK,OGATE,XB(H)::QAR2(E),XR(h)
- B(f);OGATE,XP(J)::QAR1(E),XB(f)
- Refutation
- R(h);CHECK
- Try
- R(A);XP(c)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::QAR2(E),XR(h)
- S(b);XR(A)::QAR(E),XR(a)
- Refutation
- B(f);XR(A)
- Try
- R(C);
- Vars
- R(h);CHECK,N_GUARD::QAR2(E),XR(h)
- R(a);N_GUARD,XR(A)::R(C)
- B(f);OGATE,XP(J)::QAR1(E),XB(f)
- R(a);N_GUARD::R(C)
- R(a);N_GUARD,P_PINQ(E)::R(C)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(K)
- R(h);N_GUARD::QAR1(E),XR(h)
- B(f);SBLOCK::S(F)
- Refutation
- B(f);
- Try
- R(C);XP(c)
- Threat
- DUALS(3)
- Vars
- R(h);CHECK,N_GUARD::QAR2(E),XR(h)
- Refutation
- B(f);XR(C)
- Try
- Q(E);
- Threat
- S(K)
- Vars
- R(h);N_GUARD,P_PINQ(E)::QAR2(E),XR(h)
- R(h);N_GUARD::QAR1(E),XR(h)
- Refutation
- B(f);XP(J)
- Try
- Actual
- Q(E);
- Vars
- R(h);CHECK,N_GUARD::R(C),XR(h)
- R(h);N_GUARD,XB(H)::R(C)
- B(f);SBLOCK,XP(J)::S(F)
- B(f);N_GUARD::QAR1(E)
- R(a);N_GUARD::QAR2(E),XR(a)
- R(a);N_GUARD::QAR1(E),XR(a)
- R(h);N_GUARD::R(C)
- R(h);SBLOCK::S(K)
- B(f);N_GUARD::QAR1(E),XB(f)
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).