MESON Chess Problem Database
Problem Display
PID: 203340 (8/8/1n3N1p/1P5R/3k3b/1P1p4/n2Q1Pp1/4K1B1 w - - 0 1)
Winter, Hans
4th Prize, Australasian (The), 1924
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxf2+
- 2.Bxf2#
- 1...Bg3
- 2.fxg3#
- 1...Bg5
- 2.f4#
- 1...Bxf6
- 2.f3#
- 1...Sc1
- 2.Qb2#
- 1...Sc3
- 2.Qe3#
- 1...Sb4
- 2.Qb2#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd7
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Bxf2+
- Tries
- 1.Kd1?
- 1...Bxf2
- 2.Bxf2#
- 1...Bxf6
- 2.f3#
- 1...Bg5
- 2.f4#
- 1...Sd5
- 2.Rxd5#
- 1...Bg3
- 2.fxg3#
- 1...Sc1
- 2.Qb2#
- 1...Sb4
- 2.Qb2#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sc3+!
- 1...Bxf2
- 1.Rc5?
- threat
- 2.Qe3#
- 1...Bxf2+
- 2.Bxf2#
- 2.Qxf2#
- 1...Sd5
- 2.Rxd5#
- 1...Bg5
- 2.f4#
- 1...Sc4
- 2.Rd5#
- 1...Kxc5!
- threat
- 1.Rf5?
- 1...Bxf2+
- 2.Bxf2#
- 1...Bxf6
- 2.f3#
- 1...Sd5
- 2.Rxd5#
- 1...Bg3
- 2.fxg3#
- 1...Bg5
- 2.f4#
- 1...Sc1
- 2.Qb2#
- 1...Sc3
- 2.Qe3#
- 1...Sb4
- 2.Qb2#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...h5!
- 1...Bxf2+
- 1.Qc1?
- threat
- 2.Qc5#
- 1...Bxf2+
- 2.Bxf2#
- 1...d2+
- 2.Qxd2#
- 1...Bxf6
- 2.f3#
- 1...Bg5
- 2.f4#
- 1...Sc3
- 2.Qe3#
- 1...Sa4
- 2.Rd5#
- 2.Qc4#
- 1...Sc4
- 2.Rd5#
- 2.Qxc4#
- 1...Sd5
- 2.Rxd5#
- 2.Qc4#
- 1...Sd7
- 2.Rd5#
- 2.Qc4#
- 1...Sxc1!
- threat
- 1.Qb4+?
- 1...Sc4
- 2.Rd5#
- 2.Qxc4#
- 1...Sxb4!
- 1...Sc4
- 1.Kd1?
- Keys
- 1.Qa5!
- 1...Bxf2+
- 2.Bxf2#
- 1...d2+
- 2.Qxd2#
- 1...Bxf6
- 2.f3#
- 1...Bg5
- 2.f4#
- 1...Sb4
- 2.Qa1#
- 1...Sd5
- 2.Rxd5#
- 1...Bg3
- 2.fxg3#
- 1...Sc1
- 2.Qa1#
- 1...Sc3
- 2.Qxb6#
- 1...Sa4
- 2.Rd5#
- 1...Sc4
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Bxf2+
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);CHECK,OGATE,P_SPINB(e),XP(D)::B(B),XB(e)
- B(e);::B(B)+P(D),XB(e)
- B(e);N_PINP(D)::B(B)+P(D)
- B(e);N_PINP(D),XS(H)::B(B)+P(D)
- S(a);N_GUARD::QAB(C)
- S(a);SBLOCK::QAB1(C)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- Tries
- Try
- K(A);N_SPINP(D),P-FLIGHT
- Vars
- B(e);OGATE,P_SPINB(e),XP(D)::B(B),XB(e)
- B(e);N_GUARD,XS(H)::B(B)+P(D)
- B(e);N_GUARD::B(B)+P(D)
- S(f);N_GUARD::R1(G),XS(f)
- B(e);OGATE::B(B)+P(D),XB(e)
- S(a);N_GUARD::QAB(C)
- S(f);N_GUARD::R1(G)
- Refutation
- S(a);CHECK
- Try
- R(G);
- Threat
- QAB1(C)
- Vars
- S(f);N_GUARD::R1(G),XS(f)
- B(e);N_PINP(D)::B(B)+P(D)
- S(f);N_GUARD::R1(G)
- Refutation
- K(d);N_SPINP(c),S_FLIGHT,XR(G)
- Try
- R(G);
- Vars
- B(e);CHECK,OGATE,P_SPINB(e),XP(D)::B(B),XB(e)
- B(e);N_PINP(D),XS(H)::B(B)+P(D)
- S(f);N_GUARD::R1(G),XS(f)
- B(e);::B(B)+P(D),XB(e)
- B(e);N_PINP(D)::B(B)+P(D)
- S(a);N_GUARD::QAB(C)
- S(a);SBLOCK::QAB1(C)
- S(f);N_GUARD::R1(G)
- Refutation
- P(g);
- Try
- Q(C);N_PINP(c)
- Threat
- QAB1(C)
- Vars
- B(e);CHECK,OGATE,P_SPINB(e),XP(D)::B(B),XB(e)
- P(c);CHECK,OGATEB::QAR2(C),XP(c)
- B(e);N_PINP(D),XS(H)::B(B)+P(D)
- B(e);N_PINP(D)::B(B)+P(D)
- S(a);SBLOCK::QAB1(C)
- Refutation
- S(a);XQ(C)
- Try
- Q(C);CHECK,N_PINP(c)
- Refutation
- S(a);XQ(C)
- Try
- Actual
- Q(C);N_PINP(c)
- Vars
- B(e);CHECK,OGATE,P_SPINB(e),XP(D)::B(B),XB(e)
- P(c);CHECK,OGATEB::QAR2(C),XP(c)
- B(e);N_PINP(D),XS(H)::B(B)+P(D)
- B(e);N_PINP(D)::B(B)+P(D)
- S(a);OGATE::QAB(C)
- S(f);N_GUARD::R1(G),XS(f)
- B(e);::B(B)+P(D),XB(e)
- S(a);SBLOCK::QAB(C),XS(f)
- S(f);N_GUARD::R1(G)
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).