MESON Chess Problem Database
Problem Display
PID: 32384 (6K1/8/1NpP1P2/7N/3Rp3/1p2krPR/1B1n1p2/2QBbb2 w - - 0 1)
Cauveren, Jonas Ephraim
De Problemist, 1928
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxg3+
- 2.Rxg3#
- 1...Bg2
- 2.Sc4#
- 2.Qc3#
- 1...Bxh3
- 2.Sc4#
- 2.Qc3#
- 1...Bc4+
- 2.Sxc4#
- 1...c5
- 2.Sd5#
- 1...Rxg3+
- Tries
- 1.Rxd2?
- threat
- 2.Bd4#
- 1...Rxg3+
- 2.Rxg3#
- 1...Bc4+
- 2.Sxc4#
- 1...Bd3
- 2.Re2#
- 1...c5
- 2.Sd5#
- 1...Bxd2!
- threat
- 1.Rd3+?
- 1...Kxd3
- 2.Qc3#
- 1...Bxd3
- 2.Qc5#
- 1...exd3!
- 1...Kxd3
- 1.Rd5?
- threat
- 2.Qc5#
- 1...Rxg3+
- 2.Rxg3#
- 1...Bc4
- 2.Sxc4#
- 1...c5
- 2.Qxc5#
- 1...cxd5!
- threat
- 1.Rxd2?
- Keys
- 1.Qc5!
- threat
- 2.Rd5#
- 1...Rxg3+
- 2.Qg5#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::R(E),XR(g)
- B(b);CHECK,N_GUARD::S(H),XB(b)
- P(i);N_GUARD::S(H)
- Tries
- Try
- R(F);XS(c)
- Threat
- B(C)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::R(E),XR(g)
- B(b);CHECK,N_GUARD::S(H),XB(b)
- B(b);SBLOCK::QAB(A)+R(F),DCHECK
- P(i);N_GUARD::S(H)
- Refutation
- B(a);P_SPINB(a),XR(F)
- Try
- R(F);CHECK
- Vars
- K(f);N_SPINS(c),P-FLIGHT,XR(F)::QAR1(A)
- B(b);SBLOCK,XR(F)::QAB(A)
- Refutation
- P(h);XR(F)
- Try
- R(F);
- Threat
- QAB(A)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XP(D)::R(E),XR(g)
- B(b);N_GUARD,P_PINR(F)::S(H),XB(b)
- P(i);::QAB(A),XP(i)
- Refutation
- P(i);XR(F)
- Try
- Actual
- Q(A);N_PINS(c)
- Threat
- QAB(A)+R(F)
- Vars
- R(g);CHECK,N_GUARD,P_SPINR(g),XP(D)::QAB(A)
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).