MESON Chess Problem Database
Problem Display
PID: 61845 (3N2Bn/4prB1/1K1p4/1NpkP3/1p2n3/4pQ2/b1R2b2/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Zadachi i Etyudi, 1999
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...dxe5
- 2.Rxc5#
- 1...dxe5
- Tries
- 1.Sxd6?
- threat
- 2.Qxe4#
- 1...Kd4
- 2.Qxe4#
- 1...exd6!
- threat
- 1.Bxf7+?
- 1...e6
- 2.Bxe6#
- 1...Sxf7!
- 1...e6
- 1.Qg4?
- threat
- 2.Qe6#
- 1...Sd2
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sg3
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...e6
- 2.Qxe6#
- 1...Sf6!
- threat
- 1.Qxf7+?
- 1...e6
- 2.Qxe6#
- 2.Qb7#
- 1...Sxf7!
- 1...e6
- 1.e6?
- threat
- 2.Sc7#
- 1...Rxg7
- 2.Qf5#
- 1...Rf6!
- threat
- 1.Sxd6?
- Keys
- 1.Qf5!
- threat
- 2.Qe6#
- 1...Sc3
- 2.Qd3#
- 1...Sd2
- 2.Qd3#
- 1...Sg3
- 2.Qd3#
- 1...Sg5
- 2.Qd3#
- 1...Sf6
- 2.e6#
- 1...e6
- 2.Qxe6#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- P(h);N_GUARD,XP(D)::R1(A),XP(f)
- Tries
- Try
- S(C);XP(h)
- Threat
- QAB1(B),XS(e)
- Vars
- K(g);N_SPINR(j),N_SPINS(e),P-FLIGHT::QAR1(B),XS(e)
- Refutation
- P(i);XS(C)
- Try
- B(H);CHECK,XR(j)
- Vars
- P(i);P_SPINP(i)::B(H),XP(i)
- Refutation
- S(k);XB(H)
- Try
- Q(B);N_PINS(e)
- Threat
- QAB1(B)
- Vars
- S(e);::S(C)
- P(i);N_SPINR(j)::QAB1(B),XP(i)
- Refutation
- S(e);
- Try
- Q(B);CHECK,N_PINS(e),XR(j)
- Refutation
- S(k);P_SPINS(k),XQ(B)
- Try
- P(D);N_PINR(j)
- Threat
- S(C)
- Vars
- R(j);N_GUARD,XB(F)::QAR2(B)
- Refutation
- R(j);
- Try
- Actual
- Q(B);N_PINS(e)
- Threat
- QAB1(B)
- Vars
- S(e);OGATE::QAR2(B)
- S(e);::QAR(B)+P(D)
- P(i);N_SPINR(j)::QAB1(B),XP(i)
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).