MESON Chess Problem Database
Problem Display
PID: 219231 (1b4b1/5p2/2K5/2N1R2p/2pk1PQ1/R3n3/3n4/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Suomen Shakki, 1995
#2
6 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Re4#
- 1...Sdf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sd1
- 2.Rd5#
- 1...Sef1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sxg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Rd5#
- 1...Sb1
- Tries
- 1.Qd1?
- threat
- 2.Re4#
- 2.Qxd2#
- 1...Bxe5
- 2.Qxd2#
- 1...Sxd1
- 2.Rd5#
- 1...c3
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 2.Rd5#
- 1...f5
- 2.Qxd2#
- 1...Bh7!
- threat
- 1.Qf3?
- threat
- 2.Qxe3#
- 1...Sxf3
- 2.Re4#
- 1...Sdf1
- 2.Re4#
- 2.Qe4#
- 1...Sd1
- 2.Rd5#
- 2.Qd5#
- 1...Sef1
- 2.Rd5#
- 2.Qd5#
- 2.Qc3#
- 1...Sc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc3#
- 1...Sg2
- 2.Rd5#
- 2.Qd5#
- 2.Qc3#
- 1...Sg4
- 2.Rd5#
- 2.Qd5#
- 2.Qc3#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sf5
- 2.Rd5#
- 2.Qd5#
- 2.Qc3#
- 1...c3!
- threat
- 1.Qh3?
- threat
- 2.Qxe3#
- 1...Sdf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sd1
- 2.Rd5#
- 1...Sef1
- 2.Rd5#
- 2.Qc3#
- 1...Sc2
- 2.Rd5#
- 2.Qc3#
- 1...Sg2
- 2.Rd5#
- 2.Qc3#
- 1...Sg4
- 2.Rd5#
- 2.Qc3#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Rd5#
- 2.Qc3#
- 1...c3!
- threat
- 1.Qd7+?
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bd6!
- 1...Sd5
- 1.Qg1?
- threat
- 2.Rd5#
- 2.Qxe3#
- 1...Bxe5
- 2.Qxe3#
- 1...Sb3
- 2.Qxe3#
- 1...Sf1
- 2.Re4#
- 2.Rd5#
- 1...f5
- 2.Qxe3#
- 1...f6
- 2.Qxe3#
- 1...c3!
- threat
- 1.Qg3?
- threat
- 2.Qxe3#
- 1...Sdf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sd1
- 2.Rd5#
- 1...Sef1
- 2.Rd5#
- 2.Qc3#
- 1...Sc2
- 2.Rd5#
- 2.Qc3#
- 1...Sg2
- 2.Rd5#
- 2.Qc3#
- 1...Sg4
- 2.Rd5#
- 2.Qc3#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Rd5#
- 2.Qc3#
- 1...c3!
- threat
- 1.Qg7?
- threat
- 2.Re4#
- 2.Rd5#
- 1...Bxe5
- 2.Qxe5#
- 1...c3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 2.Rd5#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 1...f6!
- threat
- 1.f5+?
- 1...Kxe5
- 2.Sd7#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sxg4
- 2.Rd5#
- 1...hxg4!
- 1...Kxe5
- 1.Qd1?
- Keys
- 1.Qe2!
- threat
- 2.Qxd2#
- 2.Qxe3#
- 1...Sb3
- 2.Qxe3#
- 1...Bh7
- 2.Qxe3#
- 1...Sb1
- 2.Re4#
- 2.Qxe3#
- 1...Sdf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 2.Qxe3#
- 1...Se4
- 2.Rxe4#
- 2.Qxe3#
- 1...Sd1
- 2.Rd5#
- 2.Qxd2#
- 1...Sef1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 2.Qxd2#
- 1...Sg2
- 2.Rd5#
- 2.Qxd2#
- 1...Sg4
- 2.Rd5#
- 2.Qxd2#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd2#
- 1...Sf5
- 2.Rd5#
- 2.Qxd2#
- 1...c3
- 2.Qd3#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD,XQ(C)::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- Tries
- Try
- Q(C);P_PINS(a)
- Threat
- DUALS(2)
- Vars
- B(g);XR(E)::QAR2(C),XS(a)
- S(b);N_GUARD,N_SPINS(a),XQ(C)::R1(E)
- P(c);::R1(E)
- P(f);::QAR2(C),XS(a)
- Refutation
- B(h);
- Try
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(a);N_GUARD,XQ(C)::R1(E)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(a);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- Refutation
- P(c);
- Try
- Q(C);CHECK
- Refutation
- B(g);P_SPINB(g)
- Try
- Q(C);P_PINS(b)
- Threat
- DUALS(2)
- Vars
- B(g);XR(E)::QAB1(C),XS(b)
- S(a);::QAB1(C),XS(b)
- P(f);::QAB1(C),XS(b)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- QAB1(C),XS(b)
- Vars
- S(a);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,P_SPINB(g),XR(E)::QAB1(C),XB(g)
- P(c);::QAB(C)+R(E),DCHECK
- Refutation
- P(f);
- Try
- P(B);CHECK
- Vars
- K(d);S_FLIGHT,XR(E)::S(D)
- S(b);XQ(C)::R1(E)
- Refutation
- P(e);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(C),XS(b)
- B(h);::QAB1(C),XS(b)
- S(a);N_GUARD::R1(E)
- S(b);N_GUARD::R1(E)
- P(c);N_GUARD::QAR1(C)
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).