MESON Chess Problem Database
Problem Display
PID: 149731 (1B6/2K2p1B/4N1rp/1b1R4/4k3/2R1Np2/3rp3/3Q4 w - - 0 1)
Handloser, Ralf Chris
The Problemist, 2013
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qd4#
- 1...Rb2
- 2.Qd4#
- 1...Rc2
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Rxd5
- 2.Qxd5#
- 1...f2
- 2.Qh1#
- 1...Ra2
- Tries
- 1.Kd8?
- threat
- 2.Sc5#
- 1...Rxd5+
- 2.Qxd5#
- 1...fxe6
- 2.Bxg6#
- 1...Bd3
- 2.Re5#
- 1...f2
- 2.Qh1#
- 1...Rd3!
- threat
- 1.Bxg6+?
- 1...f5
- 2.Bxf5#
- 1...fxg6!
- 1...f5
- 1.Rd4+?
- 1...Rxd4
- 2.Qxd4#
- 1...Ke5!
- 1...Rxd4
- 1.Qxd2?
- threat
- 2.Qd4#
- 1...Bd3
- 2.Qxd3#
- 1...f2!
- threat
- 1.Kd8?
- Keys
- 1.Kb6!
- threat
- 2.Re5#
- 1...Rxd5
- 2.Qxd5#
- 1...fxe6
- 2.Bxg6#
- 1...f2
- 2.Qh1#
- 1...f6
- 2.Sc5#
- threat
- 1.Kb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(a);OGATE::QAR1(A)
- R(a);OGATE,P_PINR(B)::QAR1(A)
- R(a);OGATE::QAR1(A),XR(a)
- R(a);OGATE,XR(D)::QAB1(A),XR(a)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- K(F);P_SPINR(D),S_FLIGHT
- Threat
- S(E)
- Vars
- R(a);CHECK,OGATE,XR(D)::QAB1(A),XR(a)
- P(h);N_GUARD,XS(E)::B(G),XR(f)
- B(e);N_PINR(D)::R1(D)
- P(c);OGATEB::QAB(A)
- Refutation
- R(a);
- Try
- B(G);CHECK,XR(f)
- Vars
- P(h);P_SPINP(h)::B(G),XP(h)
- Refutation
- P(h);XB(G)
- Try
- R(D);CHECK
- Vars
- R(a);OGATE,XR(D)::QAR1(A),XR(a)
- Refutation
- K(d);N_SPINR(f),P-FLIGHT
- Try
- Q(A);XR(a)
- Threat
- QAR1(A)
- Vars
- B(e);N_GUARD::QAB1(A),XB(e)
- Refutation
- P(c);
- Try
- Actual
- K(F);P_SPINS(E),S_FLIGHT
- Threat
- R1(D)
- Vars
- R(a);OGATE,XR(D)::QAB1(A),XR(a)
- P(h);N_GUARD,XS(E)::B(G),XR(f)
- P(c);OGATEB::QAB(A)
- P(h);N_PINS(E)::S(E)
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).