MESON Chess Problem Database
Problem Display
PID: 39885 (5r2/p2B4/K3Rq2/3k1p2/p1rP2p1/1PP5/bn1RQNnB/8 w - - 0 1)
Markovtsy, Vassyl Yuriovich
Comm., Die Schwalbe, 2001
#2
10 + 11
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Qe5#
- 1...Qh4
- 2.Rd6#
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qg5
- 2.Rd6#
- 2.Qe5#
- 1...Qe7
- 2.Qe5#
- 1...Qg7
- 2.Rd6#
- 1...Qd8
- 2.Rd6#
- 2.Qe5#
- 1...Qh8
- 2.Rd6#
- 1...Qxe6+
- 2.Qxe6#
- 1...Qg6
- 2.Qe5#
- 1...Qh6
- 2.Qe5#
- 1...Qf7
- 2.Rd6#
- 2.Qe5#
- 1...Rb4
- 2.Bc6#
- 1...Rxd4
- 2.Qb5#
- 1...Rc6+
- 2.Bxc6#
- 1...Sd1
- 2.Qxc4#
- 1...g3
- 2.Qf3#
- 1...f4
- 2.Qe4#
- 1...Qxd4
- Tries
- 1.Sd1?
- threat
- 2.Qxg2#
- 1...Qxe6+
- 2.Qxe6#
- 1...Rc6+
- 2.Bxc6#
- 1...Qxd4
- 2.Qe5#
- 1...Rxc3
- 2.Sxc3#
- 1...Rxd4
- 2.Qb5#
- 1...Qe5
- 2.Qxe5#
- 1...Se1
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...f4
- 2.Qe4#
- 1...Bb1!
- threat
- 1.Rxf6?
- threat
- 2.Rd6#
- 2.Qe5#
- 2.Qe6#
- 1...Rc6+
- 2.Bxc6#
- 1...Rxd4
- 2.Qb5#
- 2.Qe5#
- 1...Re8
- 2.Rd6#
- 1...Sd3
- 2.Rd6#
- 2.Qe6#
- 1...Se3
- 2.Rd6#
- 1...Sf4
- 2.Qe5#
- 1...g3
- 2.Qf3#
- 2.Qe5#
- 2.Qe6#
- 1...f4
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Rxf6+!
- threat
- 1.bxc4+?
- 1...Sxc4
- 2.Bc6#
- 1...Bxc4+!
- 1...Sxc4
- 1.Sd1?
- Keys
- 1.Sd3!
- threat
- 2.Qxg2#
- 1...Qxe6+
- 2.Qxe6#
- 1...Rc6+
- 2.Bxc6#
- 1...Qxd4
- 2.Rd6#
- 1...Rxc3
- 2.Sb4#
- 1...Rxd4
- 2.Bc6#
- 1...Qe5
- 2.Qxe5#
- 1...Se1
- 2.Sf4#
- 1...Se3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...f4
- 2.Qe4#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD,N_PINR(I),P_SPINQ(i),XP(G)::QAR1(B)
- Q(i);N_GUARD,N_PINR(I)::QAR1(B),XQ(i)
- Q(i);N_GUARD,N_PINR(I)::QAR1(B)
- Q(i);N_GUARD,N_PINR(I)::R1(I)
- Q(i);CHECK,OGATE,XR(I)::QAB1(B),XQ(i)
- Q(i);N_GUARD::QAR1(B)
- R(e);N_GUARD::B(J)
- R(e);OGATE,P_SPINR(e),XP(G)::QAR2(B)
- R(e);CHECK,N_GUARD,N_PINR(I)::B(J),XR(e)
- S(b);N_GUARD::QAB1(B),XR(e)
- P(f);N_GUARD::QAB(B)
- P(h);N_GUARD::QAB1(B)
- Tries
- Try
- S(C);
- Threat
- QAB(B),XS(c)
- Vars
- Q(i);CHECK,OGATE,XR(I)::QAB1(B),XQ(i)
- R(e);CHECK,N_GUARD,N_PINR(I)::B(J),XR(e)
- Q(i);N_GUARD,N_PINR(I),P_SPINQ(i),XP(G)::QAR1(B)
- R(e);XP(F)::S(C),XR(e)
- R(e);OGATE,P_SPINR(e),XP(G)::QAR2(B)
- Q(i);N_GUARD,N_PINR(I)::QAR1(B),XQ(i)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- P(h);N_GUARD::QAB1(B)
- Refutation
- B(a);
- Try
- R(I);N_SPINR(I),XQ(i)
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,N_GUARD::B(J),XR(e)
- R(k);::R1(I)
- S(c);::R1(I)
- S(c);::QAR1(B)
- Refutation
- R(k);CHECK,XR(I)
- Try
- P(E);CHECK,XR(e)
- Vars
- S(b);XP(E)::B(J)
- Refutation
- B(a);CHECK,XP(E)
- Try
- Actual
- S(C);
- Threat
- QAB(B),XS(c)
- Vars
- Q(i);CHECK,OGATE,XR(I)::QAB1(B),XQ(i)
- R(e);CHECK,N_GUARD,N_PINR(I)::B(J),XR(e)
- Q(i);N_GUARD,N_PINR(I),XP(G)::R1(I)
- R(e);N_GUARD,XP(F)::S(C)
- R(e);N_GUARD,XP(G)::B(J)
- Q(i);N_GUARD,N_PINR(I)::QAR1(B),XQ(i)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- P(h);N_GUARD::QAB1(B)
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).