MESON Chess Problem Database
Problem Display
PID: 271216 (K7/P7/4p3/4p3/4Q3/p2PR3/R5bk/6r1 w - - 0 1)
Nemo, Ottmar (Weiss, Ottmar)
Die Schwalbe, 1932
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...Kh1
- Tries
- 1.Kb7?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...Rb1+!
- 1...Kh1
- 1.Kb8?
- threat
- 2.Qh7#
- 2.Qh4#
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...Rb1+!
- threat
- 1.Rc2?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...a2!
- 1...Kh1
- 1.Rd2?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...a2!
- 1...Kh1
- 1.Rae2?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...a2!
- 1...Kh1
- 1.Rf2?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...a2!
- 1...Kh1
- 1.Rxg2+?
- 1...Kh1
- 2.Rh3#
- 1...Rxg2!
- 1...Kh1
- 1.Rg3?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Raxg2#
- 2.Qxg2#
- 1...Kxg3!
- 1...Kh1
- 1.Qf3?
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...e4
- 2.Qh5#
- 2.Qh3#
- 1...Kh1!
- 1...Ra1
- 1.Qd5?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...e4
- 2.Qh5#
- 1...exd5!
- 1...Kh1
- 1.Qc6?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...e4!
- 1...Kh1
- 1.d4?
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...exd4!
- 1...Kh1
- 1.Kb7?
- Keys
- 1.Qb7!
- 1...Kh1
- 2.Rh3#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Rxg2#
- 2.Qxg2#
- 1...e4
- 2.Qh7#
- 1...Kh1
- 1.Qb7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- R(a);CHECK
- Try
- K(F);N_SPINQ(D),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- R(a);CHECK
- Try
- R(A);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(d);
- Try
- R(A);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(d);
- Try
- R(A);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(d);
- Try
- R(A);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(d);
- Try
- R(A);CHECK,N_SPINQ(D),XB(b)
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- Refutation
- R(a);XR(A)
- Try
- R(C);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- K(c);N_SPINB(b),S_FLIGHT,XR(C)
- Try
- Q(D);
- Vars
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(D);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- P(e);N_PINQ(D)::QAR(D)
- Refutation
- P(f);XQ(D)
- Try
- Q(D);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(e);N_PINQ(D)
- Try
- P(B);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- Refutation
- P(e);XP(B)
- Try
- Actual
- Q(D);
- Vars
- K(c);N_GUARD,P-FLIGHT::R(C)
- R(a);N_GUARD::QAR1(D),XB(b)
- P(e);N_PINQ(D)::QAR(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).