MESON Chess Problem Database
Problem Display
PID: 223482 (8/8/2N1p3/2R4B/4p3/3kp2Q/2p5/2nnBK2 w - - 0 1)
Kraemer, Adolf Herrmann Rudolf Ferdinand
Funkschach, 1926
#2
6 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Be2#
- 1...Se2
- 2.Bxe2#
- 1...Sb3
- 2.Be2#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e5
- 2.Qd7#
- 1...Sa2
- Tries
- 1.Bc3?
- threat
- 2.Sb4#
- 2.Se5#
- 1...Sa2
- 2.Se5#
- 2.Be2#
- 1...e5
- 2.Sb4#
- 2.Sxe5#
- 2.Qd7#
- 1...Sxc3!
- threat
- 1.Bxd1?
- threat
- 2.Bxc2#
- 2.Rc3#
- 1...cxd1Q
- 2.Rc3#
- 1...cxd1B
- 2.Rc3#
- 1...cxd1R
- 2.Rc3#
- 1...Sa2
- 2.Bxc2#
- 2.Be2#
- 1...Se2
- 2.Bxc2#
- 2.Bxe2#
- 1...cxd1S!
- threat
- 1.Bg4?
- 1...Sa2
- 2.Be2#
- 1...Se2
- 2.Bxe2#
- 1...Sb3
- 2.Be2#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e5!
- 1...Sa2
- 1.Rc4?
- threat
- 2.Se5#
- 2.Rd4#
- 1...Se2
- 2.Se5#
- 2.Bxe2#
- 1...Sb3
- 2.Se5#
- 2.Be2#
- 1...e5
- 2.Sxe5#
- 1...Kxc4!
- threat
- 1.Qg2?
- threat
- 2.Qxc2#
- 1...Se2
- 2.Bxe2#
- 2.Qxe2#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e2+!
- threat
- 1.Qg4?
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e5
- 2.Qd7#
- 1...e2+!
- 1...Sa2
- 1.Qxe6?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Se2
- 2.Bxe2#
- 2.Qc4#
- 1...Sb3
- 2.Be2#
- 2.Qc4#
- 1...Sb2
- 2.Rc3#
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 1...Sc3
- 2.Rxc3#
- 2.Qc4#
- 1...e2+!
- threat
- 1.Qh2?
- threat
- 2.Qd6#
- 2.Qxc2#
- 1...Se2
- 2.Bxe2#
- 2.Qxe2#
- 1...Sb3
- 2.Be2#
- 2.Qxc2#
- 2.Qe2#
- 1...Sf2
- 2.Rc3#
- 2.Qd6#
- 1...Sc3
- 2.Rxc3#
- 1...e5
- 2.Qxc2#
- 1...e2+!
- threat
- 1.Qf3?
- 1...exf3
- 2.Bg6#
- 1...Sa2
- 2.Qe2#
- 1...Se2
- 2.Qxe2#
- 1...Sb3
- 2.Qe2#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e5!
- 1...exf3
- 1.Qg3?
- threat
- 2.Qd6#
- 1...Se2
- 2.Bxe2#
- 1...Sb3
- 2.Be2#
- 1...Sc3
- 2.Rxc3#
- 1...e5!
- threat
- 1.Qh4?
- threat
- 2.Qd8#
- 1...Se2
- 2.Bxe2#
- 1...Sb3
- 2.Be2#
- 1...Sc3
- 2.Rxc3#
- 1...e2+!
- threat
- 1.Bc3?
- Keys
- 1.Bf3!
- 1...e2+
- 2.Bxe2#
- 1...exf3
- 2.Qh7#
- 1...Sa2
- 2.Be2#
- 1...Se2
- 2.Bxe2#
- 1...Sb3
- 2.Be2#
- 1...Sb2
- 2.Rc3#
- 1...Sf2
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...e5
- 2.Qd7#
- 1...e2+
- 1.Bf3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- P(g);OGATE::QAR(C)
- Tries
- Try
- B(A);
- Threat
- DUALS(2)
- Refutation
- S(b);XB(A)
- Try
- B(E);XS(b)
- Threat
- DUALS(2)
- Vars
- P(c);P_PINB(A),XB(E)::R1(D)
- P(c);XB(E)::R1(D)
- Refutation
- P(c);XB(E)
- Try
- B(E);
- Vars
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(g);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(g);::S(F),XP(g)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT,XR(D)
- Try
- Q(C);N_PINP(e)
- Threat
- QAB1(C),XP(c)
- Vars
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(e);CHECK
- Try
- Q(C);N_PINP(e)
- Vars
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- P(g);OGATE::QAR(C)
- Refutation
- P(e);CHECK
- Try
- Q(C);N_PINP(e),XP(g)
- Threat
- DUALS(4)
- Refutation
- P(e);CHECK
- Try
- Q(C);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::R1(D),XS(b)
- P(g);::QAB1(C),XP(c)
- Refutation
- P(e);CHECK
- Try
- Q(C);
- Vars
- P(f);N_SPINP(e),OGATEB,XQ(C)::B(E)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(g);
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- S(a);N_GUARD::B(E),XS(a)
- S(a);N_GUARD::B(E)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(g);
- Try
- Q(C);N_PINP(e)
- Threat
- QAR(C)
- Vars
- S(a);N_GUARD::B(E),XS(a)
- S(a);N_GUARD::B(E)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(e);CHECK
- Try
- Actual
- B(E);N_PINP(e)
- Vars
- P(e);CHECK::QAR(C)+B(E),DCHECK,XP(e)
- P(f);OGATEB,XB(E)::QAB(C)
- S(a);N_GUARD::B(E)
- S(a);N_GUARD::B(E),XS(a)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- P(g);OGATE::QAR(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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