MESON Chess Problem Database
Problem Display
PID: 165505 (8/1q3PBK/2pp1RP1/Npp1kprp/1P6/2p2Bp1/P1Q1n1N1/4r3 w - - 0 1)
Markovtsy, Vassyl Yuriovich
3rd Prize, Baku Olympic Ty., 2016
#2
11 + 13
| 145 | StrateGems | 2016 |
| 56 | The Problemist | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Rxf5#
- 2.Rxd6#
- 2.Re6#
- 1...Qa7
- 2.Sxc6#
- 1...Qe7
- 2.Sxc6#
- 1...Qxf7
- 2.Sxc6#
- 1...Qb8
- 2.Sxc6#
- 1...Rxg6
- 2.Rxg6#
- 1...Sc1
- 2.Qxc3#
- 1...Sg1
- 2.Qxc3#
- 1...Sf4
- 2.Qxc3#
- 1...f4
- 2.Qe4#
- 1...d5
- 2.Rxc6#
- 1...Kd4
- Tries
- 1.Sf4?
- threat
- 2.Rxf5#
- 1...Kd4
- 2.Re6#
- 1...Kxf4
- 2.Qe4#
- 1...Sxf4
- 2.Qxc3#
- 1...d5!
- threat
- 1.Sxb7?
- threat
- 2.Rxd6#
- 1...Rxg6
- 2.Rxg6#
- 1...d5
- 2.Rxc6#
- 2.Rd6#
- 1...Kd4!
- threat
- 1.Qb3?
- threat
- 2.Re6#
- 1...Kd4
- 2.Rxd6#
- 1...f4
- 2.Rxf4#
- 1...d5
- 2.Rxc6#
- 1...c4!
- threat
- 1.Qd3?
- threat
- 2.Rxd6#
- 2.Qe3#
- 2.Qxd6#
- 1...Qxf7
- 2.Sxc6#
- 2.Qe3#
- 2.Qxd6#
- 1...Rxg6
- 2.Rxg6#
- 2.Qe3#
- 2.Qxd6#
- 1...Qc7
- 2.Rxd6#
- 2.Qe3#
- 1...Qd7
- 2.Rxd6#
- 2.Qe3#
- 1...Qe7
- 2.Sxc6#
- 2.Qe3#
- 1...Qb8
- 2.Sxc6#
- 2.Rxd6#
- 2.Qe3#
- 1...Rd1
- 2.Rxd6#
- 2.Qe3#
- 1...Rg4
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc1
- 2.Rxd6#
- 2.Qxc3#
- 2.Qxd6#
- 1...Sg1
- 2.Rxd6#
- 2.Qxc3#
- 2.Qxd6#
- 1...Sf4
- 2.Rxd6#
- 2.Qxc3#
- 2.Qxd6#
- 1...f4
- 2.Rxd6#
- 2.Qe4#
- 2.Qxd6#
- 1...d5
- 2.Rxc6#
- 2.Qe3#
- 1...Sd4!
- threat
- 1.Qxf5+?
- 1...Kd4
- 2.Rxd6#
- 2.Re6#
- 2.Qe4#
- 1...Rxf5!
- 1...Kd4
- 1.Qd2?
- threat
- 2.Rxd6#
- 2.Qe3#
- 2.Qxd6#
- 1...Qxf7
- 2.Sxc6#
- 2.Qe3#
- 2.Qxd6#
- 1...Rxg6
- 2.Rxg6#
- 2.Qe3#
- 2.Qxd6#
- 1...Sd4
- 2.Qf4#
- 1...Qc7
- 2.Rxd6#
- 2.Qe3#
- 1...Qd7
- 2.Rxd6#
- 2.Qe3#
- 1...Qe7
- 2.Sxc6#
- 2.Qe3#
- 1...Qb8
- 2.Sxc6#
- 2.Rxd6#
- 2.Qe3#
- 1...Rd1
- 2.Rxd6#
- 2.Qe3#
- 1...Rg4
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc1
- 2.Rxd6#
- 2.Qxc3#
- 2.Qf4#
- 2.Qxd6#
- 1...Sg1
- 2.Rxd6#
- 2.Qxc3#
- 2.Qf4#
- 2.Qxd6#
- 1...Sf4
- 2.Rxd6#
- 2.Qxc3#
- 2.Qxf4#
- 2.Qxd6#
- 1...f4
- 2.Qxd6#
- 1...d5
- 2.Rxc6#
- 2.Qe3#
- 1...cxd2!
- threat
- 1.Qxe2+?
- 1...Kd4
- 2.Sb3#
- 2.Rxf5#
- 2.Rxd6#
- 2.Re6#
- 1...Rxe2!
- 1...Kd4
- 1.f8S?
- threat
- 2.Rxf5#
- 2.Re6#
- 2.Rf7#
- 1...Kd4
- 2.Rxd6#
- 2.Rf7#
- 1...Rxg6
- 2.Rxf5#
- 2.Re6#
- 1...Qe7
- 2.Sxc6#
- 2.Rxf5#
- 2.Re6#
- 1...Qf7
- 2.Sxc6#
- 2.Rxf5#
- 2.Re6#
- 2.Rxf7#
- 1...f4
- 2.Rf5#
- 2.Re6#
- 2.Rf7#
- 2.Qe4#
- 1...d5
- 2.Re6#
- 1...Qxg7+!
- threat
- 1.Sf4?
- Keys
- 1.bxc5!
- threat
- 2.Rxd6#
- 1...Kd4
- 2.Rxf5#
- 1...Qxf7
- 2.Sxc6#
- 1...Rxg6
- 2.Rxg6#
- 1...dxc5
- 2.Rxc6#
- 1...Qe7
- 2.Sxc6#
- 1...d5
- 2.Rxc6#
- 2.Rd6#
- threat
- 1.bxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(m);N_GUARD::S(F),XP(k)
- Q(m);N_GUARD,P_PINB(J),XP(I)::S(F),XP(k)
- R(i);OGATE,XP(H)::B(J)+R(G),XR(i)
- S(b);N_GUARD::QAB(B),XP(c)
- P(h);N_GUARD::QAR1(B)
- P(l);OGATE::B(J)+R(G),XP(k)
- Tries
- Try
- S(C);
- Threat
- B(J)+R(G),DCHECK,XP(h)
- Vars
- K(g);S_FLIGHT::B(J)+R(G)
- K(g);P_SPINP(h),S_FLIGHT,XS(C)::QAR1(B)
- S(b);N_GUARD,SBLOCK,XS(C)::QAB(B),XP(c)
- Refutation
- P(l);
- Try
- S(F);XQ(m)
- Threat
- B(J)+R(G),XP(l)
- Vars
- R(i);OGATE,XP(H)::B(J)+R(G),XR(i)
- Refutation
- K(g);S_FLIGHT
- Try
- Q(B);
- Threat
- B(J)+R(G),DCHECK
- Vars
- K(g);S_FLIGHT::B(J)+R(G),DCHECK,XP(l)
- P(h);OGATE::B(J)+R(G),XP(h)
- P(l);OGATE::B(J)+R(G),XP(k)
- Refutation
- P(f);
- Try
- Q(B);
- Threat
- DUALS(3)
- Refutation
- S(b);
- Try
- Q(B);CHECK,XP(h)
- Refutation
- R(i);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD::QAB1(B)
- P(h);::QAB1(B),XP(l)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);CHECK,XS(b)
- Refutation
- R(a);XQ(B)
- Try
- P(I);P_SPINB(J)
- Threat
- DUALS(3)
- Vars
- P(l);::B(J)+R(G),DCHECK
- Refutation
- Q(m);CHECK,XB(J)
- Try
- Actual
- P(E);XP(f)
- Threat
- B(J)+R(G),XP(l)
- Vars
- K(g);S_FLIGHT::B(J)+R(G),XP(h)
- Q(m);N_GUARD,P_PINB(J),XP(I)::S(F),XP(k)
- R(i);OGATE,XP(H)::B(J)+R(G),XR(i)
- P(l);OGATE,XP(E)::B(J)+R(G),XP(k)
- Q(m);N_GUARD::S(F),XP(k)
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).