MESON Chess Problem Database
Problem Display
PID: 100481 (4q1bB/1Q4R1/P7/2N2N1p/P1kP4/b4B1K/1PPp3P/n2r4 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Markovtsy, Vassyl Yuriovich
Israel Ring Ty., 2000
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxa4
- 2.Be2#
- 1...Qb5
- 2.Qxb5#
- 1...Qg6
- 2.Be2#
- 2.Qb5#
- 1...Qd7
- 2.Be2#
- 1...Qf7
- 2.Be2#
- 2.Qb5#
- 1...Qe1
- 2.Qb5#
- 1...Qe2
- 2.Bxe2#
- 2.Qb5#
- 1...Qe3
- 2.Qb5#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Qb5#
- 1...Qa8
- 2.Be2#
- 2.Qb5#
- 1...Qb8
- 2.Be2#
- 1...Qc8
- 2.Be2#
- 2.Qb5#
- 1...Qd8
- 2.Be2#
- 2.Qb5#
- 1...Qf8
- 2.Be2#
- 2.Qb5#
- 1...Bd5
- 2.Bxd5#
- 1...Be6
- 2.Be2#
- 1...Bh7
- 2.Bd5#
- 1...Sxc2
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 2.cxb3#
- 1...Qxa4
- Tries
- 1.Se4?
- threat
- 2.Be2#
- 1...Qxe4
- 2.Qb5#
- 1...Qb5
- 2.Qxb5#
- 1...Re1
- 2.Sxd2#
- 1...Qc6!
- threat
- 1.Se6?
- threat
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 1...Qxe6
- 2.Qb5#
- 1...Bxe6
- 2.Be2#
- 1...Sxc2
- 2.Be2#
- 1...Qb5
- 2.Qxb5#
- 1...Qc6
- 2.Se3#
- 1...Qd7
- 2.Se3#
- 2.Be2#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Re1
- 2.Bd5#
- 1...Bxb2!
- threat
- 1.Sd7?
- threat
- 2.Qb5#
- 1...Qxd7
- 2.Be2#
- 1...Qe5
- 2.Sxe5#
- 1...Qb8
- 2.Be2#
- 1...Bxb2!
- threat
- 1.Rd7?
- threat
- 2.Sd6#
- 2.Qb5#
- 1...Qxd7
- 2.Be2#
- 1...Bxc5
- 2.Qb5#
- 1...Qg6
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Qb5#
- 1...Qb8
- 2.Se3#
- 2.Be2#
- 1...Qf8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Be6
- 2.Be2#
- 2.Qb5#
- 1...Bxb2!
- threat
- 1.Re7?
- threat
- 2.Se3#
- 2.Sd6#
- 2.Be2#
- 1...Qxe7
- 2.Qb5#
- 1...Bxc5
- 2.Se3#
- 2.Be2#
- 1...Sxc2
- 2.Sd6#
- 2.Be2#
- 2.Qb3#
- 1...Qb5
- 2.Qxb5#
- 1...Qc6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qd7
- 2.Be2#
- 1...Qb8
- 2.Se3#
- 2.Be2#
- 1...Qc8
- 2.Be2#
- 2.Qb5#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Re1
- 2.Sd6#
- 1...Be6
- 2.Be2#
- 1...Bxb2!
- threat
- 1.Rf7?
- threat
- 2.Sd6#
- 2.Bd5#
- 1...Qxf7
- 2.Se3#
- 2.Sd6#
- 2.Be2#
- 2.Qb5#
- 1...Bxc5
- 2.Bd5#
- 1...Bxf7
- 2.Sd6#
- 1...Qb5
- 2.Qxb5#
- 1...Qc6
- 2.Se3#
- 1...Qd7
- 2.Be2#
- 1...Qe3
- 2.Sxe3#
- 2.Sd6#
- 2.Qb5#
- 1...Qe4
- 2.Sd6#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Bd5#
- 2.Qb5#
- 1...Qb8
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 1...Qc8
- 2.Be2#
- 2.Bd5#
- 2.Qb5#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qf8
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 2.Qb5#
- 1...Bxb2!
- threat
- 1.Rxg8?
- threat
- 2.Sd6#
- 2.Bd5#
- 1...Qxg8
- 2.Se3#
- 2.Sd6#
- 2.Be2#
- 2.Qb5#
- 1...Bxc5
- 2.Bd5#
- 1...Qb5
- 2.Qxb5#
- 1...Qc6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 2.Qb5#
- 1...Qd7
- 2.Be2#
- 1...Qf7
- 2.Se3#
- 2.Sd6#
- 2.Be2#
- 2.Qb5#
- 1...Qe3
- 2.Sxe3#
- 2.Sd6#
- 2.Qb5#
- 1...Qe4
- 2.Sd6#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Bd5#
- 2.Qb5#
- 1...Qb8
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 1...Qc8
- 2.Be2#
- 2.Bd5#
- 2.Qb5#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qf8
- 2.Se3#
- 2.Be2#
- 2.Bd5#
- 2.Qb5#
- 1...Bxb2!
- threat
- 1.b3+?
- 1...Sxb3
- 2.Qxb3#
- 1...Kc3!
- 1...Sxb3
- 1.c3?
- threat
- 2.Sd6#
- 1...Bxb2
- 2.Qb4#
- 1...Qc6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qd7
- 2.Be2#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Qb5#
- 1...Qb8
- 2.Se3#
- 2.Be2#
- 1...Qc8
- 2.Be2#
- 2.Qb5#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qf8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Be6
- 2.Be2#
- 1...Bxc5!
- threat
- 1.Se4?
- Keys
- 1.Rc7!
- threat
- 2.Sd6#
- 1...Bxb2
- 2.Sd7#
- 1...Qb5
- 2.Qxb5#
- 1...Qc6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qd7
- 2.Be2#
- 1...Qe5
- 2.Qb5#
- 1...Qe6
- 2.Qb5#
- 1...Qe7
- 2.Qb5#
- 1...Qc8
- 2.Be2#
- 2.Qb5#
- 1...Qd8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Qf8
- 2.Se3#
- 2.Be2#
- 2.Qb5#
- 1...Be6
- 2.Be2#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(g);N_GUARD,XP(F)::B(D)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);N_GUARD,P_PINS(I)::B(D)
- Q(g);N_GUARD::QAB1(K)
- Q(g);N_GUARD,P_PINB(D)::QAB1(K)
- Q(g);N_GUARD,P_PINS(I)::QAB1(K)
- Q(g);N_GUARD::B(D)
- B(h);N_GUARD::B(D),XB(h)
- B(h);P_PINS(I),S_CUTQ(g)::B(D)
- B(h);N_GUARD::B(D)
- S(a);N_GUARD,XP(B)::QAB1(K)
- Tries
- Try
- S(H);
- Threat
- B(D)
- Vars
- Q(g);N_GUARD,XS(H)::QAB1(K)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- R(b);N_GUARD::S(H),XP(c)
- Refutation
- Q(g);
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD,P_PINS(I),XS(H)::QAB1(K)
- B(h);P_PINS(I),XS(H)::B(D)
- S(a);XP(B)::B(D)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);::S(I)
- R(b);::B(D)
- Refutation
- B(d);XP(A)
- Try
- S(H);
- Threat
- QAB1(K)
- Vars
- Q(g);N_GUARD,P_PINS(I),XS(H)::B(D)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD::B(D)
- Refutation
- B(d);XP(A)
- Try
- R(L);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,P_PINS(I),XR(L)::B(D)
- B(d);XS(H)::QAB1(K)
- Q(g);::QAB1(K)
- Q(g);P_PINS(I)::QAB1(K)
- Refutation
- B(d);XP(A)
- Try
- R(L);
- Threat
- DUALS(3)
- Vars
- Q(g);N_GUARD,XR(L)::QAB1(K)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);::S(I)
- Q(g);P_PINS(I)::B(D)
- R(b);::S(I)
- B(h);P_PINS(I)::B(D)
- Refutation
- B(d);XP(A)
- Try
- R(L);
- Threat
- DUALS(2)
- Vars
- B(d);XS(H)::B(D)
- B(h);XR(L)::S(I)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);N_GUARD::S(I)
- Q(g);N_GUARD,P_PINS(I)::B(D)
- Q(g);::S(I)
- Q(g);N_GUARD::QAB1(K)
- Q(g);N_GUARD,P_PINS(I)::QAB1(K)
- Refutation
- B(d);XP(A)
- Try
- R(L);XB(h)
- Threat
- DUALS(2)
- Vars
- B(d);XS(H)::B(D)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);N_GUARD::S(I)
- Q(g);N_GUARD,P_PINS(I)::B(D)
- Q(g);::S(I)
- Q(g);N_GUARD::QAB1(K)
- Q(g);N_GUARD,P_PINS(I)::QAB1(K)
- Refutation
- B(d);XP(A)
- Try
- P(A);CHECK
- Vars
- S(a);OGATE,XP(A)::QAB1(K),XS(a)
- Refutation
- K(e);P-FLIGHT
- Try
- P(B);
- Threat
- S(I)
- Vars
- B(d);N_GUARD,XP(A)::QAR1(K)
- Q(g);N_GUARD::S(I)
- Q(g);N_GUARD,P_PINS(I)::B(D)
- Q(g);N_GUARD::QAB1(K)
- Q(g);N_GUARD,P_PINS(I)::QAB1(K)
- B(h);P_PINS(I),S_CUTQ(g)::B(D)
- Refutation
- B(d);XS(H)
- Try
- Actual
- R(L);
- Threat
- S(I)
- Vars
- B(d);N_GUARD,XP(A)::R(L)+S(H)
- Q(g);N_GUARD::QAB1(K),XQ(g)
- Q(g);N_GUARD::S(I)
- Q(g);N_GUARD,P_PINS(I)::B(D)
- Q(g);N_GUARD::QAB1(K)
- Q(g);N_GUARD,P_PINS(I)::QAB1(K)
- B(h);P_PINS(I),S_CUTQ(g)::B(D)
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).