MESON Chess Problem Database
Problem Display
PID: 57737 (B1Q2K2/2p5/R1n5/4k2p/bP2Np2/2R5/4N3/B7 w - - 0 1)
Veliky, Mikola Moiseyovich
Chess Life, 1957
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Qe6#
- 1...Kd5
- 2.Qf5#
- 1...Sxb4
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 2.Qe6#
- 1...Sd4
- 2.Rc5#
- 1...Sa5
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 2.Qe6#
- 1...Sa7
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 2.Qe6#
- 1...Se7
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 2.Qe6#
- 1...Sb8
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 2.Qe6#
- 1...Sd8
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 1...Kxe4
- Tries
- 1.Sc5?
- threat
- 2.Qe6#
- 1...Kd5
- 2.Qe6#
- 1...Kd6
- 2.Rd3#
- 2.Qe6#
- 1...Kf6
- 2.Rg3#
- 1...Sd4
- 2.Sd3#
- 1...Sd8
- 2.Sd3#
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 1...Bb3!
- threat
- 1.Bxc6?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 1...Bc2
- 2.Rxc2#
- 2.Rca3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra5#
- 1...Bb3
- 2.Rc1#
- 2.Rc2#
- 2.Rxb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 1...f3
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rxf3#
- 2.Rc4#
- 2.Rc5#
- 1...Bxc6!
- threat
- 1.Rc1+?
- 1...Kd5
- 2.Qf5#
- 1...Sd4
- 2.Bxd4#
- 2.Rc5#
- 2.Qe6#
- 1...Kxe4!
- 1...Kd5
- 1.Rc2+?
- 1...Kd5
- 2.Qf5#
- 1...Sd4
- 2.Bxd4#
- 2.Rc5#
- 2.Qe6#
- 1...Kxe4!
- 1...Kd5
- 1.Ra3+?
- 1...Kxe4
- 2.Qe6#
- 1...Sd4
- 2.Bxd4#
- 2.Qe6#
- 1...Kd5!
- 1...Kxe4
- 1.Rb3+?
- 1...Kxe4
- 2.Qe6#
- 1...Sd4
- 2.Bxd4#
- 2.Qe6#
- 1...Kd5!
- 1...Kxe4
- 1.Rd3+?
- 1...Sd4
- 2.Bxd4#
- 2.Qe6#
- 1...Kxe4!
- 1...Sd4
- 1.Re3+?
- 1...Sd4
- 2.Bxd4#
- 2.Qe6#
- 1...Kd5!
- 1...Sd4
- 1.Rg3+?
- 1...Kxe4
- 2.Qe6#
- 1...Sd4
- 2.Bxd4#
- 2.Rg5#
- 2.Qe6#
- 1...Kd5!
- 1...Kxe4
- 1.Rh3+?
- 1...Kxe4
- 2.Qe6#
- 1...Sd4
- 2.Bxd4#
- 2.Rxh5#
- 2.Qe6#
- 1...Kd5!
- 1...Kxe4
- 1.Rc4+?
- 1...Sd4
- 2.Bxd4#
- 2.Rc5#
- 2.Qe6#
- 1...Kd5!
- 1...Sd4
- 1.Rcxc6+?
- 1...Kd5
- 2.Sf6#
- 2.Rc5#
- 2.Qf5#
- 2.Qe6#
- 1...Kxe4!
- 1...Kd5
- 1.Ra5+?
- 1...Kxe4
- 2.Qf5#
- 2.Qe6#
- 2.Qe8#
- 1...Sxa5
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc7#
- 1...Bb5!
- 1...Kxe4
- 1.Qe8+?
- 1...Kd5
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Kf5!
- 1...Kd5
- 1.Sc5?
- Keys
- 1.Sf6!
- threat
- 2.Rcxc6#
- 1...Kd6
- 2.Rd3#
- 1...Kxf6
- 2.Rg3#
- 1...Sxb4
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- 2.Qe6#
- 1...Sd4
- 2.Rc5#
- 1...Sa5
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- 2.Qe6#
- 1...Sa7
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- 2.Qe6#
- 1...Se7
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- 2.Qe6#
- 1...Sb8
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- 2.Qe6#
- 1...Sd8
- 2.Rc1#
- 2.Rc2#
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rc4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rxc7#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- K(c);P-FLIGHT,P_SPINS(e),XS(E)::QAR2(H)
- K(c);P-FLIGHT,P_SPINS(e)::QAR2(H)
- S(e);::R(C)
- Tries
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- K(c);P-FLIGHT,P_SPINS(e)::QAB1(H)
- K(c);P_SPINS(e),S_FLIGHT::B(A)+R(C)
- S(e);::S(E)
- Refutation
- B(a);
- Try
- B(G);XS(e)
- Threat
- DUALS(11)
- Refutation
- B(a);XB(G)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e),XS(E)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e),XS(E)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e),XS(E)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e),XS(E)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINS(e),XS(E)
- Try
- R(C);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e),XS(E)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e),XS(E)::QAR2(H)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- R(C);CHECK,XS(e)
- Refutation
- K(c);P-FLIGHT,XS(E)
- Try
- R(F);CHECK
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(H);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINS(e)::R1(C)
- S(e);P_SPINS(e)::B(A)+R(C),DCHECK
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- S(E);
- Threat
- B(A)+R(C),XS(e)
- Vars
- K(c);P_SPINS(e),S_FLIGHT::R(C)
- K(c);P_SPINS(e),S_FLIGHT,XS(E)::B(A)+R(C)
- S(e);::R(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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