MESON Chess Problem Database
Problem Display
PID: 99206 (8/6p1/3pNnP1/1p3Q1p/1RnBrP1K/2Pk1p2/3pRP2/N2B4 w - - 0 1)
Kardos, Tivadar
Magyar Sakkelet, 1953
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...fxe2
- 2.Bc2#
- 1...d5
- 2.Sc5#
- 1...Sb2
- Tries
- 1.Kg3?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sc5#
- 1...h4+!
- 1...fxe2
- 1.Kh3?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sc5#
- 1...h4!
- 1...fxe2
- 1.Sc2?
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sc5#
- 1...fxe2!
- 1...Sb2
- 1.Sb3?
- 1...Sb2
- 2.Rxd2#
- 2.Re3#
- 1...Sa3
- 2.Rxd2#
- 2.Re3#
- 1...Se3
- 2.Rxd2#
- 2.Rxe3#
- 1...Sa5
- 2.Rxd2#
- 2.Re3#
- 1...Se5
- 2.Rxd2#
- 2.Re3#
- 1...Sb6
- 2.Rxd2#
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sbc5#
- 2.Sec5#
- 1...fxe2!
- 1...Sb2
- 1.Sg5?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5!
- 1...fxe2
- 1.Sc7?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5!
- 1...fxe2
- 1.Sxg7?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5!
- 1...fxe2
- 1.Sd8?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5!
- 1...fxe2
- 1.Sf8?
- 1...fxe2
- 2.Bc2#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Se5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5!
- 1...fxe2
- 1.Be5?
- 1...Sxe5
- 2.Re3#
- 1...fxe2
- 2.Bc2#
- 1...d5
- 2.Sc5#
- 1...Sb2
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sa5
- 2.Re3#
- 1...Sb6
- 2.Re3#
- 1...Sg4
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...dxe5!
- 1...Sxe5
- 1.Bxf6?
- threat
- 2.Qxe4#
- 1...fxe2
- 2.Bc2#
- 1...Se5
- 2.Re3#
- 1...d5
- 2.Sc5#
- 1...gxf6!
- threat
- 1.Rxe4?
- threat
- 2.Bc2#
- 2.Re3#
- 1...Sa3
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sxe4!
- threat
- 1.Kg3?
- Keys
- 1.Qxb5!
- threat
- 2.Qxc4#
- 1...Rxf4+
- 2.Sxf4#
- 1...Rxe2
- 2.Bc2#
- 1...Rxd4
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...d5
- 2.Sc5#
- threat
- 1.Qxb5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 13
- Sets
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- P(c);SBLOCK,XR(C)::B(B)
- P(h);N_GUARD::S(K)
- Tries
- Try
- K(I);N_SPINP(H),S_FLIGHT
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD::QAB1(J),XR(e)
- P(h);N_GUARD::S(K)
- Refutation
- P(g);CHECK
- Try
- K(I);N_SPINP(H),P-FLIGHT
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD::QAB1(J),XR(e)
- P(h);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- S(A);
- Vars
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- P(h);N_GUARD::S(K)
- Refutation
- P(c);XR(C)
- Try
- S(A);
- Vars
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(c);XR(C)
- Try
- S(K);
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);
- Try
- S(K);
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);
- Try
- S(K);XP(j)
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);
- Try
- S(K);
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);
- Try
- S(K);
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);
- Try
- B(G);
- Vars
- S(d);N_GUARD,XB(G)::R1(C)
- P(c);SBLOCK,XR(C)::B(B)
- P(h);N_GUARD::S(K)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- S(i);N_GUARD,N_PINP(H)::QAB1(J),XR(e)
- S(i);N_GUARD::QAB1(J),XR(e)
- Refutation
- P(h);XB(G)
- Try
- B(G);XS(i)
- Threat
- QAB1(J),XR(e)
- Vars
- P(c);SBLOCK,XR(C)::B(B)
- S(d);N_GUARD::R1(C)
- P(h);N_GUARD::S(K)
- Refutation
- P(j);XB(G)
- Try
- R(C);N_SPINP(H),XR(e)
- Threat
- DUALS(2)
- Vars
- S(d);::QAB(J)+R(C),DCHECK
- S(d);::QAB(J)+R(C),DCHECK,XS(d)
- Refutation
- S(i);P_SPINS(i),XR(C)
- Try
- Actual
- Q(J);N_PINR(e),P_PINS(d),XP(f)
- Threat
- QAB1(J),XS(d)
- Vars
- R(e);CHECK,XP(H)::S(K),XR(e)
- R(e);N_PINP(H),SBLOCK,XR(C)::B(B)
- R(e);N_GUARD,XB(G)::R1(C)
- R(e);N_GUARD,N_PINP(H)::R1(C),XR(e)
- P(h);N_GUARD::S(K)
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).