MESON Chess Problem Database
Problem Display
PID: 261031 (8/8/8/4Q3/4B2B/4R3/1K1NrN2/4kb2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Prize, Gravyura, 2019
#2
7 + 3
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kxd2
- 2.Qc3#
- 1...Kxd2
- Tries
- 1.Kc1?
- threat
- 2.Sf3#
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Sh3#
- 2.Sg4#
- 1...Bg2
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Sh3#
- 2.Sg4#
- 1...Bh3
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Sxh3#
- 2.Sg4#
- 1...Rxe3!
- threat
- 1.Kc2?
- threat
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Sh3#
- 2.Sg4#
- 2.Qa1#
- 1...Bh3
- 2.Sd1#
- 2.Sh1#
- 2.Sd3#
- 2.Sxh3#
- 2.Sg4#
- 2.Qa1#
- 1...Rxe3!
- threat
- 1.Sd1+?
- 1...Kxd2
- 2.Rd3#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 1...Kxd1!
- 1...Kxd2
- 1.Sh1+?
- 1...Kxd2
- 2.Rd3#
- 2.Qd4#
- 1...Kd1!
- 1...Kxd2
- 1.Sh3+?
- 1...Kxd2
- 2.Rd3#
- 2.Qd4#
- 1...Kd1!
- 1...Kxd2
- 1.Sg4+?
- 1...Kxd2
- 2.Rd3#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 1...Kd1!
- 1...Kxd2
- 1.Bb1?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bh1?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bc2?
- threat
- 2.Sf3#
- 2.Sfe4#
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Sfe4#
- 2.Rxe2#
- 1...Bh3
- 2.Sfe4#
- 2.Rxe2#
- 1...Rxe3!
- threat
- 1.Bg2?
- 1...Kxd2
- 2.Qc3#
- 1...Bxg2
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bd3?
- 1...Rxe3
- 2.Sf3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Kxd2!
- 1...Rxe3
- 1.Bd5?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bf5?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bc6?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bg6?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bb7?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Bh7?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Ba8?
- 1...Kxd2
- 2.Qc3#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Rxe3!
- 1...Kxd2
- 1.Qc7?
- threat
- 2.Qc1#
- 1...Kxd2
- 2.Qc1#
- 2.Qc3#
- 1...Rxe3!
- threat
- 1.Qc5?
- threat
- 2.Qc1#
- 1...Kxd2
- 2.Qc1#
- 2.Qc3#
- 1...Rxe3!
- threat
- 1.Qh5?
- 1...Rxe3
- 2.Qd1#
- 1...Bg2
- 2.Rxe2#
- 2.Qxe2#
- 1...Bh3
- 2.Rxe2#
- 2.Qxe2#
- 1...Kxd2!
- 1...Rxe3
- 1.Kc1?
- Keys
- 1.Bf3!
- 1...Kxd2
- 2.Qc3#
- 1...Rxe3
- 2.Sfe4#
- 1...Bg2
- 2.Rxe2#
- 1...Bh3
- 2.Rxe2#
- 1...Kxd2
- 1.Bf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- Tries
- Try
- K(A);N_SPINS(B),S_FLIGHT
- Threat
- DUALS(6)
- Refutation
- R(c);N_SPINR(c),XR(D)
- Try
- K(A);P-FLIGHT
- Threat
- DUALS(6)
- Refutation
- R(c);N_PINS(B),N_SPINR(c),XR(D)
- Try
- S(C);CHECK
- Refutation
- K(a);N_SPINR(c),P-FLIGHT,XS(C)
- Try
- S(C);CHECK
- Refutation
- K(a);N_SPINR(c),P-FLIGHT
- Try
- S(C);CHECK
- Refutation
- K(a);N_SPINR(c),P-FLIGHT
- Try
- S(C);CHECK
- Refutation
- K(a);N_SPINR(c),P-FLIGHT
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);N_SPINS(B)
- Threat
- DUALS(2)
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- Refutation
- R(c);XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD,XB(E)::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- R(c);N_PINS(B),XR(D)::S(B)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- K(a);N_SPINR(c),S_FLIGHT,XS(B)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- B(b);N_GUARD::R1(D),XR(c)
- Refutation
- R(c);N_PINS(B),XR(D)
- Try
- Q(G);
- Threat
- QAR2(G)
- Refutation
- R(c);N_PINS(B),N_SPINR(c),XR(D)
- Try
- Q(G);
- Threat
- QAR2(G)
- Refutation
- R(c);N_PINS(B),N_SPINR(c),XR(D)
- Try
- Q(G);
- Vars
- R(c);N_PINS(B),N_SPINR(c),OGATE,XR(D)::QAR1(G)
- Refutation
- K(a);N_SPINR(c),S_FLIGHT,XS(B)
- Try
- Actual
- B(E);
- Vars
- K(a);N_SPINR(c),OGATEB,S_FLIGHT,XS(B)::QAB1(G)
- R(c);N_PINS(B),XR(D)::B(F)+S(C)
- B(b);N_GUARD::R1(D),XR(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).