MESON Chess Problem Database
Problem Display
PID: 266984 (B7/2P4K/pPRPN1Pp/1bQ4p/r3k3/2p3PP/1B1P1p2/4NRn1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
5th Prize, Wola Gulowska, 2009
#2
15 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.d3#
- 1...Bxc6
- 2.Bxc6#
- 2.d3#
- 1...fxe1Q
- 2.Qf5#
- 1...fxe1S
- 2.Qf5#
- 1...fxe1B
- 2.Qf5#
- 1...fxe1R
- 2.Qf5#
- 1...cxd2
- 2.Qe5#
- 1...c2
- 2.Qe5#
- 1...Rc4
- Tries
- 1.Rxf2?
- threat
- 2.Rf4#
- 2.Qf5#
- 1...Sxh3
- 2.Qf5#
- 1...cxd2
- 2.Rf4#
- 2.Qe5#
- 1...Se2
- 2.Qf5#
- 1...Sf3!
- threat
- 1.Qxf2?
- threat
- 2.Qf5#
- 1...Kd5
- 2.Qf5#
- 1...Ke5
- 2.Qf5#
- 1...Bxf1
- 2.Rc5#
- 1...cxd2
- 2.Rc4#
- 1...Sf3!
- threat
- 1.Qxc3?
- threat
- 2.Qe5#
- 1...Kd5
- 2.Qe5#
- 1...Kf5
- 2.Qe5#
- 1...fxe1Q
- 2.Rc4#
- 1...fxe1S
- 2.Rc4#
- 1...fxe1B
- 2.Rc4#
- 1...fxe1R
- 2.Rc4#
- 1...Sf3
- 2.Qxf3#
- 1...Rd4!
- threat
- 1.Qxb5?
- threat
- 2.Rxc3#
- 2.Rc4#
- 2.Rc5#
- 1...fxe1Q
- 2.Rf4#
- 2.Rxc3#
- 2.Rc5#
- 2.Qf5#
- 1...fxe1S
- 2.Rf4#
- 2.Rxc3#
- 2.Rc5#
- 2.Qf5#
- 1...fxe1B
- 2.Rf4#
- 2.Rxc3#
- 2.Rc5#
- 2.Qf5#
- 1...fxe1R
- 2.Rf4#
- 2.Rxc3#
- 2.Rc5#
- 2.Qf5#
- 1...cxb2
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 1...cxd2
- 2.Rc3#
- 2.Qd3#
- 2.Qe5#
- 1...Rc4
- 2.Rxc4#
- 2.Rc5#
- 1...Rd4
- 2.Rc4#
- 1...c2
- 2.Rxc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Qd3#
- 2.Qe5#
- 1...axb5!
- threat
- 1.Qg5?
- threat
- 2.Rc4#
- 1...Bxc6
- 2.Bxc6#
- 2.d3#
- 1...fxe1Q
- 2.Qf5#
- 1...fxe1S
- 2.Qf5#
- 1...fxe1B
- 2.Qf5#
- 1...fxe1R
- 2.Qf5#
- 1...Rc4
- 2.Rxc4#
- 2.d3#
- 1...Rd4
- 2.Sc5#
- 1...Bc4
- 2.Rxc4#
- 1...hxg5!
- threat
- 1.g4?
- threat
- 2.Qf5#
- 1...cxd2
- 2.Qe5#
- 1...hxg4!
- threat
- 1.Rxf2?
- Keys
- 1.Qxh5!
- threat
- 2.Rc4#
- 1...Bxc6
- 2.Bxc6#
- 1...fxe1Q
- 2.Qf5#
- 1...fxe1S
- 2.Qf5#
- 1...fxe1B
- 2.Qf5#
- 1...fxe1R
- 2.Qf5#
- 1...cxd2
- 2.Qe5#
- 1...Rc4
- 2.Rxc4#
- 1...Rd4
- 2.Sc5#
- 1...Bc4
- 2.Rxc4#
- threat
- 1.Qxh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(d);S_CUTB(f)::P(D)
- P(b);XS(A)::QAB1(G)
- P(c);XP(D)::QAR1(G)
- P(c);::QAR1(G)
- Tries
- Try
- R(B);XP(b)
- Threat
- DUALS(2)
- Vars
- S(a);XP(F)::QAB1(G)
- S(a);::QAB1(G)
- Refutation
- S(a);
- Try
- Q(G);XP(b)
- Threat
- QAB1(G)
- Vars
- K(e);S_FLIGHT::QAR2(G)
- K(e);P-FLIGHT,P_SPINP(c)::QAR1(G)
- B(f);N_GUARD,XR(B)::B(O)+R(I)
- P(c);XP(D)::B(O)+R(I),DCHECK
- Refutation
- S(a);
- Try
- Q(G);XP(c)
- Threat
- QAR1(G)
- Vars
- K(e);S_FLIGHT::QAR1(G)
- K(e);P_SPINP(b),S_FLIGHT::QAR1(G)
- P(b);XS(A)::B(O)+R(I),DCHECK
- S(a);N_GUARD::QAB1(G),XS(a)
- Refutation
- R(d);
- Try
- Q(G);XB(f)
- Threat
- DUALS(3)
- Vars
- R(d);::B(O)+R(I)
- Refutation
- P(h);XQ(G)
- Try
- Q(G);
- Threat
- B(O)+R(I),DCHECK
- Vars
- P(b);XS(A)::QAB1(G)
- R(d);SBLOCK::S(K)
- B(f);::B(O)+R(I),DCHECK,XB(f)
- Refutation
- P(i);XQ(G)
- Try
- P(E);
- Threat
- QAB1(G)
- Vars
- P(c);XP(D)::QAR1(G)
- Refutation
- P(g);XP(E)
- Try
- Actual
- Q(G);XP(g)
- Threat
- B(O)+R(I),DCHECK
- Vars
- B(f);OGATE,P_SPINB(f),XR(I)::B(O),XB(f)
- P(b);XS(A)::QAB1(G)
- P(c);XP(D)::QAR1(G)
- R(d);::B(O)+R(I),DCHECK,XR(d)
- R(d);SBLOCK::S(K)
- B(f);::B(O)+R(I),DCHECK,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).