MESON Chess Problem Database
Problem Display
PID: 149770 (8/6p1/1b5p/4R3/1p3Nk1/4r3/4P2Q/2BBK3 w - - 0 1)
Klein, Max
Troll, 2013
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxe2+
- 2.Bxe2#
- 1...Ra3
- 2.e3#
- 1...Rb3
- 2.e3#
- 1...Rc3
- 2.e3#
- 1...Rd3
- 2.exd3#
- 1...Rf3
- 2.exf3#
- 1...Rg3
- 2.Qh5#
- 1...Rh3
- 2.Qxh3#
- 1...Re4
- 2.Qh3#
- 2.e3#
- 1...Rxe2+
- Tries
- 1.Sg2?
- threat
- 2.Qh4#
- 1...Rxe2+
- 2.Bxe2#
- 1...Rxe5
- 2.e4#
- 1...Rh3
- 2.Qf4#
- 1...Bd8
- 2.Sxe3#
- 1...g5!
- threat
- 1.Sg6?
- threat
- 2.Qh4#
- 1...Rxe2+
- 2.Bxe2#
- 1...Rxe5
- 2.e4#
- 1...Rh3
- 2.Qf4#
- 1...Bd8!
- threat
- 1.Sg2?
- Keys
- 1.Sd3!
- threat
- 2.Sf2#
- 1...Rxe2+
- 2.Bxe2#
- 1...Rxd3
- 2.exd3#
- 1...Rxe5
- 2.e4#
- 1...Rh3
- 2.Qf4#
- 1...Rf3
- 2.exf3#
- 1...Rg3
- 2.Qh5#
- 1...Re4
- 2.e3#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);N_PINP(D)::B(B)+P(D)
- R(a);N_PINP(D)::B(B)+P(D),XR(a)
- R(a);N_PINP(D)::P(D),XR(a)
- R(a);N_PINP(D),SBLOCK::QAB1(E)
- R(a);N_GUARD,N_PINP(D)::QAB1(E),XR(a)
- Tries
- Try
- S(F);
- Threat
- QAR1(E)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);XR(G)::B(B)+P(D)
- R(a);N_PINP(D),SBLOCK::QAR1(E)
- B(d);N_GUARD::S(F),XR(a)
- Refutation
- P(f);
- Try
- S(F);
- Threat
- QAR1(E)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);XR(G)::B(B)+P(D)
- R(a);N_PINP(D),SBLOCK::QAR1(E)
- Refutation
- B(d);
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- R(a);CHECK,OGATE,P_SPINR(a),XP(D)::B(B),XR(a)
- R(a);N_PINP(D),XS(F)::B(B)+P(D),XR(a)
- R(a);XR(G)::B(B)+P(D)
- R(a);N_PINP(D),SBLOCK::QAR1(E)
- R(a);N_PINP(D)::P(D),XR(a)
- R(a);N_PINP(D),SBLOCK::QAB1(E)
- R(a);::B(B)+P(D)
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).