MESON Chess Problem Database
Problem Display
PID: 247267 (8/p1p5/rbp1P3/p1r1p3/P3Pk2/Q2b1NNB/6R1/K4RB1 w - - 0 1)
Kraemer, Adolf Herrmann Rudolf Ferdinand
Die Schwalbe, 1929
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bb1
- 2.Be3#
- 2.Qe3#
- 1...Bxf1
- 2.Qe3#
- 1...Bc2
- 2.Be3#
- 2.Qc1#
- 2.Qe3#
- 1...Be2
- 2.Be3#
- 2.Qe3#
- 1...Bc4
- 2.Be3#
- 2.Qc1#
- 2.Qe3#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Be3#
- 2.Qe3#
- 1...Bb5
- 2.Be3#
- 2.Qe3#
- 1...Rc2
- Tries
- 1.Se1+?
- 1...Bxf1
- 2.Be3#
- 2.Qe3#
- 1...Kg5!
- 1...Bxf1
- 1.Sd2+?
- 1...Bxf1
- 2.Sh5#
- 2.Be3#
- 2.Qe3#
- 1...Kg5!
- 1...Bxf1
- 1.Sh2+?
- 1...Bxf1
- 2.Be3#
- 2.Qe3#
- 1...Kg5!
- 1...Bxf1
- 1.Sd4+?
- 1...Bxf1
- 2.Be3#
- 2.Qe3#
- 1...Kg5!
- 1...Bxf1
- 1.Sh4+?
- 1...Bxf1
- 2.Be3#
- 2.Qe3#
- 1...Kg5!
- 1...Bxf1
- 1.Sg5+?
- 1...Bxf1
- 2.Sh5#
- 2.Be3#
- 2.Qe3#
- 1...Kxg5!
- 1...Bxf1
- 1.Se2+?
- 1...Bxe2
- 2.Rg4#
- 2.Qe3#
- 1...Kxe4!
- 1...Bxe2
- 1.Bf2?
- 1...Kxf3
- 2.Bg1#
- 2.Bd4#
- 2.Bxc5#
- 1...Bxf1
- 2.Qe3#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Be3#
- 2.Qe3#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bb1
- 2.Be3#
- 2.Qe3#
- 1...Bc2
- 2.Be3#
- 2.Qe3#
- 1...Be2
- 2.Be3#
- 2.Qe3#
- 1...Bc4
- 2.Be3#
- 2.Qe3#
- 1...Bb5
- 2.Be3#
- 2.Qe3#
- 1...Rc1+!
- 1...Kxf3
- 1.Bd4?
- 1...Rc1+
- 2.Qxc1#
- 1...Bxf1
- 2.Qe3#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Be3#
- 2.Qe3#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qc1#
- 2.Qf8#
- 1...Rd5
- 2.Qc1#
- 2.Qf8#
- 1...Bb1
- 2.Be3#
- 2.Qe3#
- 1...Bc2
- 2.Be3#
- 2.Qc1#
- 2.Qe3#
- 1...Be2
- 2.Be3#
- 2.Qe3#
- 1...Bc4
- 2.Be3#
- 2.Qc1#
- 2.Qe3#
- 1...Bb5
- 2.Be3#
- 2.Qe3#
- 1...exd4!
- 1...Rc1+
- 1.Bxc5?
- threat
- 2.Qc1#
- 1...Bxf1
- 2.Qe3#
- 1...Bxc5!
- threat
- 1.Bf5?
- threat
- 2.Sh5#
- 1...Bxe4
- 2.Be3#
- 2.Qe3#
- 1...Rc1+!
- threat
- 1.Rc1?
- 1...Kxf3
- 2.Rf1#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Qe3#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bb1
- 2.Qe3#
- 1...Bf1
- 2.Qe3#
- 1...Bc2
- 2.Qe3#
- 1...Be2
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bb5
- 2.Qe3#
- 1...Rxc1+!
- 1...Kxf3
- 1.Rd1?
- 1...Kxf3
- 2.Rf1#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Qe3#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bb1
- 2.Qe3#
- 1...Bf1
- 2.Qe3#
- 1...Bc2
- 2.Qe3#
- 1...Be2
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bb5
- 2.Qe3#
- 1...Rc1+!
- 1...Kxf3
- 1.Re1?
- 1...Kxf3
- 2.Rf1#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Rxe4#
- 2.Qe3#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bb1
- 2.Sh5#
- 2.Qe3#
- 1...Bf1
- 2.Sh5#
- 2.Qe3#
- 1...Bc2
- 2.Sh5#
- 2.Qe3#
- 1...Be2
- 2.Qe3#
- 1...Bc4
- 2.Sh5#
- 2.Qe3#
- 1...Bb5
- 2.Sh5#
- 2.Qe3#
- 1...Rc1+!
- 1...Kxf3
- 1.Qxc5?
- threat
- 2.Be3#
- 2.Qf8#
- 2.Qxe5#
- 1...Bxf1
- 2.Qf8#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Be3#
- 2.Qxe5#
- 1...Bxc5!
- threat
- 1.Qxd3?
- threat
- 2.Se2#
- 2.Sh5#
- 2.Be3#
- 2.Qd2#
- 2.Qe3#
- 1...Rc2
- 2.Sh5#
- 1...Rc3
- 2.Se2#
- 2.Sh5#
- 1...Rc4
- 2.Se2#
- 2.Sh5#
- 1...Rb5
- 2.Se2#
- 2.Sh5#
- 1...Rd5
- 2.Se2#
- 2.Sh5#
- 1...Rc1+!
- threat
- 1.Se1+?
- Keys
- 1.Rb1!
- 1...Kxf3
- 2.Rf1#
- 1...Bxb1
- 2.Qe3#
- 1...Bxe4
- 2.Se2#
- 2.Sh5#
- 2.Qe3#
- 1...Rc1
- 2.Qf8#
- 1...Rc2
- 2.Qf8#
- 1...Rc3
- 2.Qf8#
- 1...Rc4
- 2.Qf8#
- 1...Rb5
- 2.Qf8#
- 1...Rd5
- 2.Qf8#
- 1...Bf1
- 2.Qe3#
- 1...Bc2
- 2.Qe3#
- 1...Be2
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Bb5
- 2.Qe3#
- 1...Kxf3
- 1.Rb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(d);OGATE::QAR(E)
- B(a);OGATE,XR(B)::QAB1(E)
- Tries
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- S(G);CHECK
- Refutation
- K(b);P-FLIGHT,XP(J)
- Try
- B(C);
- Vars
- B(a);OGATE,XR(B)::QAB1(E)
- R(d);OGATE::QAR(E)
- Refutation
- R(d);CHECK
- Try
- B(C);
- Vars
- R(d);CHECK,N_GUARD::QAB(E),XR(d)
- B(a);OGATE,XR(B)::QAB1(E)
- R(d);OGATE::QAR(E)
- Refutation
- P(e);XB(C)
- Try
- B(C);XR(d)
- Threat
- QAB(E)
- Vars
- B(a);OGATE,XR(B)::QAB1(E)
- Refutation
- B(g);XB(C)
- Try
- B(H);
- Threat
- S(G)
- Refutation
- R(d);CHECK
- Try
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(F)::R(B)
- R(d);OGATE::QAR(E)
- B(a);OGATE::QAB1(E)
- Refutation
- R(d);CHECK,XR(B)
- Try
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(F)::R(B)
- R(d);OGATE::QAR(E)
- B(a);OGATE::QAB1(E)
- Refutation
- R(d);CHECK
- Try
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(F)::R(B)
- R(d);OGATE::QAR(E)
- B(a);OGATE::QAB1(E)
- Refutation
- R(d);CHECK
- Try
- Q(E);XR(d)
- Threat
- DUALS(3)
- Vars
- B(a);XR(B)::QAR(E)
- Refutation
- B(g);XQ(E)
- Try
- Q(E);XB(a)
- Threat
- DUALS(5)
- Vars
- R(d);::S(G)
- Refutation
- R(d);CHECK
- Try
- Actual
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(a),XS(F)::R(B)
- B(a);OGATE,XR(B)::QAB1(E)
- R(d);OGATE,P_PINR(B)::QAR(E)
- R(d);OGATE::QAR(E)
- B(a);OGATE::QAB1(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).