MESON Chess Problem Database
Problem Display
PID: 18569 (3K3B/Pp1n1p2/p1NkN1p1/8/8/3r2P1/B7/2RbR2Q w - - 0 1)
Apro, Laszlo
1st Prize, Suomen Shakki, 1956
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rxg3
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 2.axb8Q#
- 2.axb8B#
- 1...Sf8
- 2.Be5#
- 1...bxc6
- 2.Rxc6#
- 2.Qxc6#
- 1...fxe6
- 2.Rxe6#
- 1...Ra3
- Tries
- 1.Sa5?
- threat
- 2.Sc4#
- 2.Sxb7#
- 1...fxe6
- 2.Sxb7#
- 2.Rxe6#
- 1...Rb3
- 2.Sc4#
- 1...Rc3
- 2.Sxb7#
- 2.Qd5#
- 1...Re3
- 2.Sxb7#
- 2.Qd5#
- 1...Rf3
- 2.Sxb7#
- 1...Rd4
- 2.Sxb7#
- 1...Rd5
- 2.Sxb7#
- 2.Qxd5#
- 1...Be2
- 2.Sxb7#
- 1...Bb3
- 2.Sxb7#
- 1...Sc5
- 2.Sc4#
- 2.Be5#
- 1...Se5
- 2.Sxb7#
- 2.Bxe5#
- 1...Sb6
- 2.Sxb7#
- 2.Be5#
- 1...b5
- 2.Sb7#
- 2.Rc6#
- 2.Qc6#
- 1...b6
- 2.Sc4#
- 2.Sb7#
- 2.Rc6#
- 2.Qc6#
- 1...Bf3!
- threat
- 1.Se5?
- threat
- 2.Sc4#
- 2.Sxf7#
- 1...Sxe5
- 2.Bxe5#
- 1...fxe6
- 2.Sf7#
- 1...Rd5
- 2.Sxf7#
- 2.Qxd5#
- 1...Bb3
- 2.Sxf7#
- 1...Rc3
- 2.Sxf7#
- 2.Qd5#
- 1...Re3
- 2.Sxf7#
- 2.Qd5#
- 1...Rd4
- 2.Sxf7#
- 1...Be2
- 2.Sxf7#
- 1...Bf3
- 2.Sxf7#
- 1...Sb6
- 2.Sxf7#
- 1...b5
- 2.Sxf7#
- 2.Rc6#
- 2.Qc6#
- 1...f5
- 2.Sc4#
- 2.Sf7#
- 1...f6
- 2.Sc4#
- 2.Sf7#
- 1...Rf3!
- threat
- 1.Sc5?
- threat
- 2.Se4#
- 2.Sxb7#
- 1...Sxc5
- 2.Be5#
- 1...bxc6
- 2.Se4#
- 2.Sb7#
- 1...Rc3
- 2.Sxb7#
- 2.Qd5#
- 1...Rd5
- 2.Sxb7#
- 2.Qxd5#
- 1...Bc2
- 2.Sxb7#
- 1...Bf3
- 2.Sxb7#
- 1...Re3
- 2.Sxb7#
- 2.Qd5#
- 1...Rd4
- 2.Sxb7#
- 1...Bb3
- 2.Sxb7#
- 1...Sf6
- 2.Sxb7#
- 1...b5
- 2.Se4#
- 2.Sb7#
- 1...b6
- 2.Se4#
- 2.Sb7#
- 1...f5
- 2.Sxb7#
- 2.Re6#
- 1...Rb3!
- threat
- 1.Rexd1?
- threat
- 2.Rxd3#
- 1...Rxd1
- 2.Rxd1#
- 2.Qxd1#
- 1...Rd5
- 2.Qxd5#
- 1...Rd2
- 2.Rxd2#
- 1...Rd4
- 2.Rxd4#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sf6!
- threat
- 1.Sa5?
- Keys
- 1.Se7!
- threat
- 2.Sc8#
- 1...Rc3
- 2.Qd5#
- 1...Sb6
- 2.Be5#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::QAR1(C)
- R(b);N_GUARD,XP(E)::QAR1(C)
- R(b);N_GUARD::QAR1(C),XR(b)
- S(g);N_GUARD::B(J)
- S(g);N_GUARD::B(J),XS(g)
- P(h);OGATE,XS(G)::R1(B),XP(h)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(b);::S(F)
- R(b);::S(F),XP(f)
- B(a);::S(F),XP(f)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(g);OGATE,XS(F)::B(J),XS(g)
- P(h);XS(G)::S(F)
- B(a);::S(F),XP(h)
- R(b);::S(F),XP(h)
- S(g);::S(F),XP(h)
- Refutation
- R(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XS(G)::B(J)
- B(a);::S(G),XP(f)
- R(b);::S(G),XP(f)
- S(g);::S(G),XP(f)
- Refutation
- R(b);
- Try
- R(B);P_PINR(b),XB(a)
- Threat
- R(B),XR(b)
- Vars
- R(b);N_GUARD::QAR1(C),XR(b)
- R(b);OGATEB::R(B),XR(b)
- R(b);OGATE::R(B),XR(b)
- S(g);N_GUARD::B(J)
- S(g);N_GUARD::B(J),XS(g)
- Refutation
- S(g);
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- R(b);N_GUARD::QAR1(C)
- S(g);N_GUARD::B(J)
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