MESON Chess Problem Database
Problem Display
PID: 23012 (8/8/8/8/7p/2R2p1K/p1pkprp1/Q2bb1B1 w - - 0 1)
Hassberg, Eric Manfred
Xadrez Brasileiro, 1945
#2
4 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Be3#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rf1
- Tries
- 1.Kh2?
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rf1
- 2.Be3#
- 1...h3!
- 1...c1Q
- 1.Kg4?
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rf1
- 2.Be3#
- 1...h3!
- 1...c1Q
- 1.Kxh4?
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rf1+!
- 1...c1Q
- 1.Kh2?
- Keys
- 1.Rc4!
- 1...Kd3
- 2.Qd4#
- 1...Ke3
- 2.Qd4#
- 1...c1Q
- 2.Qd4#
- 1...c1S
- 2.Qc3#
- 1...c1B
- 2.Qc3#
- 2.Qd4#
- 1...c1R
- 2.Qd4#
- 1...Rf1
- 2.Rd4#
- 1...Kd3
- 1.Rc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(g);OGATE::B(B)
- P(d);::QAB1(A),XQ(d)
- P(d);::QAB1(A),XS(d)
- P(d);::QAB1(A),XB(d)
- P(d);::QAB1(A),XR(d)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(d);::QAB1(A),XQ(d)
- P(d);::QAB1(A),XS(d)
- P(d);::QAB1(A),XB(d)
- P(d);::QAB1(A),XR(d)
- R(g);OGATE::B(B)
- Refutation
- P(j);
- Try
- K(D);S_FLIGHT
- Vars
- P(d);::QAB1(A),XQ(d)
- P(d);::QAB1(A),XS(d)
- P(d);::QAB1(A),XB(d)
- P(d);::QAB1(A),XR(d)
- R(g);OGATE::B(B)
- Refutation
- P(j);
- Try
- K(D);P-FLIGHT,XP(j)
- Vars
- P(d);::QAB1(A),XQ(d)
- P(d);::QAB1(A),XS(d)
- P(d);::QAB1(A),XB(d)
- P(d);::QAB1(A),XR(d)
- Refutation
- R(g);CHECK
- Try
- Actual
- R(C);
- Vars
- K(e);P-FLIGHT::QAR1(A)
- K(e);P_SPINR(g),S_FLIGHT::QAB1(A)
- P(d);::QAR2(A)
- P(d);::QAB1(A)
- R(g);::R(C)
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).