MESON Chess Problem Database
Problem Display
PID: 23300 (7b/2p5/2p5/R7/3kr3/N1pr1Q1n/5R2/KN3bB1 w - - 0 1)
Veliky, Mikola Moiseyovich
4th HM., The Problemist, 1997/II
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rd2#
- 2.Qxc3#
- 1...Rd2
- 2.Rxd2#
- 2.Qxc3#
- 1...Rxf3
- 2.Rd2#
- 1...Rd1
- Tries
- 1.Rb2+?
- 1...Ree3
- 2.Rb4#
- 1...Sxg1
- 2.Rb4#
- 1...Sf2
- 2.Rb4#
- 1...Rde3!
- 1...Ree3
- 1.Qf5?
- threat
- 2.Qc5#
- 1...Ke3
- 2.Sc2#
- 1...Rd1
- 2.Rd2#
- 1...Rd2
- 2.Rxd2#
- 1...Rf3
- 2.Rd2#
- 1...Rg3
- 2.Rd2#
- 1...Rde3
- 2.Qd7#
- 1...Re1
- 2.Rf4#
- 1...Re2
- 2.Rf4#
- 1...Ree3
- 2.Ra4#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rf4#
- 1...Re7
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 1...c5
- 2.Qxc5#
- 1...Be5!
- threat
- 1.Qf6+?
- 1...Ke3
- 2.Sc2#
- 1...Re5
- 2.Rf4#
- 1...Bxf6!
- 1...Ke3
- 1.Qf7?
- threat
- 2.Sc2#
- 1...Ke3
- 2.Sc2#
- 1...Rd1
- 2.Rd2#
- 1...Rd2
- 2.Rxd2#
- 1...Rf3
- 2.Rd2#
- 1...Rg3
- 2.Rd2#
- 1...Re1
- 2.Rf4#
- 1...Re2
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rf4#
- 1...Re7
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 1...Rde3
- 2.Qd7#
- 1...Ree3
- 2.Qc4#
- 1...c2
- 2.Sxc2#
- 1...c5!
- threat
- 1.Rb2+?
- Keys
- 1.Qf8!
- threat
- 2.Qc5#
- 1...Ke3
- 2.Sc2#
- 1...Rd1
- 2.Rd2#
- 1...Rd2
- 2.Rxd2#
- 1...Rf3
- 2.Rd2#
- 1...Rg3
- 2.Rd2#
- 1...Re1
- 2.Rf4#
- 1...Re2
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Rg4
- 2.Rf4#
- 1...Rh4
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rf4#
- 1...Re7
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 1...c5
- 2.Qxc5#
- 1...Rde3
- 2.Qd8#
- 1...Ree3
- 2.Qb4#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- R(c);XQ(F)::B(C)+R(D),DCHECK
- Tries
- Try
- R(D);CHECK
- Vars
- R(f);P_SPINR(f)::R(D)
- S(d);XB(C)::R(D)
- S(d);P_SPINS(d)::R(D)
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- K(e);S_FLIGHT::S(E)
- R(c);P_PINS(B)::B(C)+R(D),DCHECK
- R(c);::B(C)+R(D),DCHECK,XR(c)
- R(c);::B(C)+R(D),DCHECK
- R(c);SBLOCK::QAR(F)
- R(f);P_PINS(B)::B(C)+R(D),DCHECK
- R(f);::B(C)+R(D),DCHECK
- R(f);SBLOCK::R(G)
- R(f);::B(C)+R(D),DCHECK,XR(f)
- P(g);::QAB1(F),XP(g)
- Refutation
- B(i);
- Try
- Q(F);CHECK
- Vars
- K(e);S_FLIGHT::S(E)
- R(f);P_SPINR(f)::B(C)+R(D),DCHECK
- Refutation
- B(i);XQ(F)
- Try
- Q(F);
- Threat
- S(E)
- Vars
- K(e);S_FLIGHT::S(E)
- R(c);P_PINS(B)::B(C)+R(D),DCHECK
- R(c);::B(C)+R(D),DCHECK,XR(c)
- R(c);::B(C)+R(D),DCHECK
- R(f);P_PINS(B)::B(C)+R(D),DCHECK
- R(f);::B(C)+R(D),DCHECK
- R(f);::B(C)+R(D),DCHECK,XR(f)
- R(c);SBLOCK::QAR(F)
- R(f);SBLOCK::QAR1(F)
- P(b);::S(E),XP(b)
- Refutation
- P(g);
- Try
- Actual
- Q(F);
- Threat
- QAB1(F)
- Vars
- K(e);S_FLIGHT::S(E)
- R(c);P_PINS(B)::B(C)+R(D),DCHECK
- R(c);::B(C)+R(D),DCHECK,XR(c)
- R(c);::B(C)+R(D),DCHECK
- R(f);P_PINS(B)::B(C)+R(D),DCHECK
- R(f);::B(C)+R(D),DCHECK
- R(f);::B(C)+R(D),DCHECK,XR(f)
- P(g);::QAB1(F),XP(g)
- R(c);SBLOCK::QAR(F)
- R(f);SBLOCK::QAR2(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).