MESON Chess Problem Database
Problem Display
PID: 246339 (1b3KB1/5RNb/2pp4/2p1B3/4kN1r/n1Q3p1/3Pr1P1/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Shakhmatnaya Poeziya, 2001
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Qe3#
- 1...Rxg2
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- 1...Rxf4
- 2.Rxf4#
- 1...c4
- 2.Qd4#
- 1...dxe5
- 2.Qd3#
- 1...Rf2
- Tries
- 1.Bxd6?
- threat
- 2.Re7#
- 2.Qe5#
- 2.Qd3#
- 1...Rxd2
- 2.Re7#
- 2.Qe5#
- 1...Rxg2
- 2.Re7#
- 2.Qd3#
- 2.Qe3#
- 1...Rxf4
- 2.Rxf4#
- 1...Bxg8
- 2.Qe5#
- 2.Qd3#
- 1...Re3
- 2.Re7#
- 2.Qe5#
- 2.Qxe3#
- 1...Rh5
- 2.Qd3#
- 1...Rh6
- 2.Qe5#
- 2.Qd3#
- 1...Bf5
- 2.Qe5#
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 2.Qxc4#
- 1...c4
- 2.Re7#
- 2.Qe5#
- 1...Bxd6+!
- threat
- 1.Rf5?
- threat
- 2.Qd3#
- 2.Qf3#
- 1...Rxd2
- 2.Qf3#
- 1...Rxg2
- 2.Qd3#
- 2.Qe3#
- 1...Rxf4
- 2.Rxf4#
- 1...dxe5
- 2.Qd3#
- 1...Rf2
- 2.Qd3#
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- 1...c4
- 2.Qd4#
- 2.Qf3#
- 1...Bxf5!
- threat
- 1.Re7?
- threat
- 2.Bxd6#
- 2.Qd3#
- 2.Qf3#
- 1...Rxf4+
- 2.Bf6#
- 1...Rxd2
- 2.Bxd6#
- 2.Qf3#
- 1...Rxg2
- 2.Bxd6#
- 2.Qd3#
- 2.Qe3#
- 1...Bxg8
- 2.Qd3#
- 2.Qf3#
- 1...Rf2
- 2.Bxd6#
- 2.Qd3#
- 2.Qe3#
- 1...Re3
- 2.Bxd6#
- 2.Qxe3#
- 1...Rh5
- 2.Qd3#
- 2.Qf3#
- 1...Rh6
- 2.Qd3#
- 2.Qf3#
- 1...Bf5
- 2.Qd3#
- 2.Qf3#
- 1...Sc4
- 2.Qc2#
- 2.Qd3#
- 2.Qf3#
- 2.Qxc4#
- 1...c4
- 2.Bxd6#
- 2.Qd4#
- 2.Qf3#
- 1...d5
- 2.Bd6#
- 2.Bc7#
- 2.Bxb8#
- 2.Qd3#
- 2.Qf3#
- 1...dxe5!
- threat
- 1.d4?
- threat
- 2.Qd3#
- 2.Qf3#
- 1...Rxg2
- 2.Qd3#
- 1...Rxf4
- 2.Rxf4#
- 1...cxd4
- 2.Qxd4#
- 1...dxe5
- 2.Qd3#
- 1...Rd2
- 2.Qf3#
- 1...Rf2
- 2.Qd3#
- 1...c4
- 2.Qf3#
- 1...Re3!
- threat
- 1.Bxd6?
- Keys
- 1.Bf6!
- threat
- 2.Qf3#
- 1...Kxf4
- 2.Qf3#
- 1...Rxg2
- 2.Qe3#
- 1...Rxf4
- 2.Re7#
- 1...Rf2
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::QAR1(C)
- R(a);N_GUARD,XP(B)::QAR1(C)
- R(a);N_GUARD::QAR1(C),XR(a)
- R(e);OGATE,P_PINR(F),XS(D)::R1(F),XR(e)
- P(f);N_GUARD::QAR1(C)
- P(h);SBLOCK,XB(E)::QAB1(C)
- Tries
- Try
- B(E);XP(h)
- Threat
- DUALS(3)
- Vars
- R(e);OGATE,P_PINR(F),XS(D)::R1(F),XR(e)
- R(e);::QAB1(C)
- Refutation
- B(j);CHECK,XB(E)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(a);XP(A)::QAB1(C)
- R(e);OGATE,P_PINR(F),XS(D)::R1(F),XR(e)
- P(h);XB(E)::QAB1(C)
- R(a);N_GUARD::QAR1(C),XR(a)
- Refutation
- B(i);XR(F)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,SBLOCK,XS(D)::R(F)+B(E)
- Refutation
- P(h);P_SPINP(h),XB(E)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- R(a);XP(B)::QAB1(C)
- R(e);OGATE,P_PINR(F),XS(D)::R1(F),XR(e)
- P(f);OGATE,XP(A)::QAR1(C),XP(f)
- P(h);XB(E)::QAB1(C)
- R(a);::QAB1(C)
- P(f);::QAB1(C)
- Refutation
- R(a);
- Try
- Actual
- B(E);
- Threat
- QAB1(C)
- Vars
- K(d);P-FLIGHT,XS(D)::QAR1(C)
- R(a);N_GUARD,XP(B)::QAR1(C)
- R(e);SBLOCK,XS(D)::R(F)
- R(a);N_GUARD::QAR1(C)
- R(a);N_GUARD::QAR1(C),XR(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).