MESON Chess Problem Database
Problem Display
PID: 2605 (6K1/8/6B1/2p5/2Pk4/3NNn1R/3r3Q/4B3 w - - 0 1)
Perry, William E
Source?, 0000
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Kxe3
- 2.Qe5#
- 1...Rd1
- 2.Qf4#
- 1...Ra2
- 2.Qf4#
- 1...Rb2
- 2.Qf4#
- 1...Rc2
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Rf2
- 2.Qf4#
- 1...Rg2
- 2.Qf4#
- 1...Rxd3
- 2.Qf4#
- 1...Sxe1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Kxe3
- Tries
- 1.Bxd2?
- threat
- 2.Qf4#
- 2.Qd6#
- 1...Sxd2
- 2.Qe5#
- 1...Se5
- 2.Qf4#
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 2.Qd6#
- 1...Sxh2!
- threat
- 1.Qg3?
- 1...Kxe3
- 2.Qe5#
- 1...Rxd3
- 2.Qf4#
- 1...Sxe1
- 2.Qe5#
- 1...Rd1
- 2.Qf4#
- 1...Ra2
- 2.Qf4#
- 1...Rb2
- 2.Qf4#
- 1...Rc2
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Rf2
- 2.Qf4#
- 1...Rg2
- 2.Qf4#
- 1...Rh2
- 2.Qf4#
- 1...Sg1
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Kc3!
- 1...Kxe3
- 1.Qd6+?
- 1...Kxe3
- 2.Qe5#
- 1...Kc3!
- 1...Kxe3
- 1.Qc7?
- 1...Kxe3
- 2.Qe5#
- 1...Rxd3
- 2.Qf4#
- 1...Sxe1
- 2.Qe5#
- 2.Qg7#
- 1...Rd1
- 2.Qf4#
- 2.Qxc5#
- 1...Ra2
- 2.Qf4#
- 2.Qxc5#
- 1...Rb2
- 2.Qf4#
- 2.Qxc5#
- 1...Rc2
- 2.Qf4#
- 2.Qxc5#
- 1...Re2
- 2.Qf4#
- 2.Qxc5#
- 1...Rf2
- 2.Qf4#
- 2.Qxc5#
- 1...Rg2
- 2.Qf4#
- 2.Qxc5#
- 1...Rh2
- 2.Qf4#
- 2.Qxc5#
- 1...Sg1
- 2.Qe5#
- 2.Qg7#
- 1...Sh2
- 2.Qe5#
- 2.Qg7#
- 1...Sh4
- 2.Qe5#
- 2.Qg7#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 2.Qg7#
- 1...Kc3!
- 1...Kxe3
- 1.Qxd2?
- 1...Sxe1
- 2.Rh4#
- 2.Qb2#
- 1...Sg1
- 2.Rh4#
- 2.Qc3#
- 2.Qb2#
- 1...Sh2
- 2.Qc3#
- 2.Qb2#
- 1...Sh4
- 2.Rxh4#
- 2.Qc3#
- 2.Qb2#
- 1...Se5
- 2.Qc3#
- 2.Qb2#
- 1...Sg5
- 2.Qc3#
- 2.Qb2#
- 1...Sxd2!
- 1...Sxe1
- 1.Bxd2?
- Keys
- 1.Qb8!
- 1...Kc3
- 2.Qb2#
- 1...Kxe3
- 2.Qe5#
- 1...Rxd3
- 2.Qf4#
- 1...Sxe1
- 2.Qe5#
- 1...Rd1
- 2.Qf4#
- 1...Ra2
- 2.Qf4#
- 1...Rb2
- 2.Qf4#
- 1...Rc2
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Rf2
- 2.Qf4#
- 1...Rg2
- 2.Qf4#
- 1...Rh2
- 2.Qf4#
- 1...Sg1
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Kc3
- 1.Qb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);P_SPINS(b),S_FLIGHT,XS(D)::QAR2(B)
- R(a);::QAR2(B)
- R(a);P_PINB(G)::QAR2(B)
- R(a);XS(C)::QAR2(B)
- S(b);N_GUARD,XB(A)::QAB1(B)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Tries
- Try
- B(A);XR(a)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XB(A)::QAB1(B)
- Refutation
- S(b);XQ(B)
- Try
- Q(B);
- Vars
- K(c);P_SPINS(b),S_FLIGHT,XS(D)::QAR2(B)
- R(a);XS(C)::QAR2(B)
- S(b);N_GUARD,XB(A)::QAB1(B)
- R(a);::QAR2(B)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- K(c);P_SPINR(a),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(c);P_SPINS(b),S_FLIGHT,XS(D)::QAR2(B)
- Refutation
- K(c);P_SPINR(a),S_FLIGHT
- Try
- Q(B);
- Vars
- K(c);P_SPINS(b),S_FLIGHT,XS(D)::QAR2(B)
- R(a);XS(C)::QAR2(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- K(c);P_SPINR(a),S_FLIGHT
- Try
- Q(B);XR(a)
- Refutation
- S(b);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(c);P_SPINR(a),S_FLIGHT::QAB1(B)
- K(c);P_SPINS(b),S_FLIGHT,XS(D)::QAR2(B)
- R(a);XS(C)::QAR2(B)
- S(b);N_GUARD,XB(A)::QAB1(B)
- R(a);::QAR2(B)
- R(a);P_PINB(G)::QAR2(B)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
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).