MESON Chess Problem Database
Problem Display
PID: 55340 (3Q4/2p5/2P3p1/3Bk3/KR3R1P/1pr2P2/1B6/1bq5 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Markovtsy, Vassyl Yuriovich
2nd Prize, Troll, 2001-2002
#2
9 + 7
| 56 | The Problemist | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Bxc3#
- 1...Qh1
- 2.Bxc3#
- 1...Ba2
- 2.Rbe4#
- 1...Bc2
- 2.Bxc3#
- 1...Be4
- 2.Rbxe4#
- 1...Qf1
- Tries
- 1.Bxb3?
- threat
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd4#
- 2.Qd5#
- 1...Be4
- 2.Rbxe4#
- 2.Qf6#
- 2.Qxc7#
- 1...Qd2
- 2.Qf6#
- 2.Qe7#
- 1...Qe3
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Qd1
- 2.Qf6#
- 2.Qe7#
- 1...Qg1
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Bf5
- 2.Qd4#
- 1...Qxf4!
- threat
- 1.Bc4?
- threat
- 2.Qf6#
- 2.Qxc7#
- 2.Qd4#
- 1...Qxf4
- 2.Rb5#
- 1...Qd2
- 2.Qf6#
- 1...Qe3
- 2.Qf6#
- 2.Qxc7#
- 1...Qd1
- 2.Qf6#
- 1...Qg1
- 2.Qf6#
- 2.Qxc7#
- 1...Be4
- 2.Qf6#
- 1...Bf5
- 2.Qd4#
- 1...Kxf4!
- threat
- 1.Bf7?
- threat
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd4#
- 2.Qd5#
- 1...Be4
- 2.Rbxe4#
- 2.Qf6#
- 2.Qxc7#
- 1...Qd2
- 2.Qf6#
- 2.Qe7#
- 1...Qe3
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Qd1
- 2.Qf6#
- 2.Qe7#
- 1...Qg1
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Bf5
- 2.Qd4#
- 1...Qxf4!
- threat
- 1.Bg8?
- threat
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd4#
- 2.Qd5#
- 1...Be4
- 2.Rbxe4#
- 2.Qf6#
- 2.Qxc7#
- 1...Qd2
- 2.Qf6#
- 2.Qe7#
- 1...Qe3
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Qd1
- 2.Qf6#
- 2.Qe7#
- 1...Qg1
- 2.Qf6#
- 2.Qxc7#
- 2.Qe7#
- 2.Qd5#
- 1...Bf5
- 2.Qd4#
- 1...Qxf4!
- threat
- 1.Rb5?
- threat
- 2.Qf6#
- 2.Qxc7#
- 1...Qxf4+
- 2.Bc4#
- 1...Kxf4
- 2.Qg5#
- 1...Be4
- 2.Qf6#
- 1...Bf5!
- threat
- 1.Rfe4+?
- 1...Kf5
- 2.Be6#
- 2.Qf8#
- 1...Bxe4!
- 1...Kf5
- 1.Qd7?
- threat
- 2.Qe6#
- 1...Be4
- 2.Rbxe4#
- 1...Bf5!
- threat
- 1.Bxb3?
- Keys
- 1.Be4!
- threat
- 2.Qf6#
- 1...Kxf4
- 2.Qg5#
- 1...Ke6
- 2.Qf6#
- 1...Qxf4
- 2.Qe7#
- 1...Bxe4
- 2.Rbxe4#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(b);N_GUARD::B(A),XR(d)
- B(a);N_GUARD::R1(D)
- B(a);S_CUTQ(b)::B(A),XR(d)
- B(a);N_GUARD::R1(D),XB(a)
- Tries
- Try
- B(G);XP(c)
- Threat
- DUALS(5)
- Vars
- B(a);::QAB1(I)
- Refutation
- Q(b);P_PINR(D),XR(E)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- Q(b);SBLOCK,XR(E)::R(D)
- Q(b);::QAB1(I)
- B(a);::QAB1(I)
- Refutation
- K(e);N_SPINR(d),S_FLIGHT,XR(E)
- Try
- B(G);
- Threat
- DUALS(5)
- Vars
- B(a);::QAB1(I)
- Refutation
- Q(b);P_PINR(D),XR(E)
- Try
- B(G);
- Threat
- DUALS(5)
- Vars
- B(a);::QAB1(I)
- Refutation
- Q(b);P_PINR(D),XR(E)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,SBLOCK,XR(E)::R(D)+B(G)
- K(e);N_SPINR(d),S_FLIGHT,XR(E)::QAB1(I)
- B(a);::QAB1(I)
- Refutation
- B(a);
- Try
- R(E);CHECK
- Refutation
- B(a);XR(E)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- B(a);N_GUARD::R1(D),XB(a)
- Refutation
- B(a);
- Try
- Actual
- B(G);
- Threat
- QAB1(I)
- Vars
- K(e);N_SPINR(d),S_FLIGHT,XR(E)::QAB1(I)
- K(e);N_SPINR(d),P-FLIGHT::QAR1(I)
- Q(b);SBLOCK,XR(E)::QAR2(I)
- B(a);OGATE,XB(G)::R1(D),XB(a)
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).