MESON Chess Problem Database
Problem Display
PID: 72819 (7n/1B3p1Q/K4Rq1/3r4/3Nk2P/5NP1/2P2Pp1/3Rn2r w - - 0 1)
Taale, Cornelius J
1st Prize, Tijdschrift vd NSB, 1926
#2
11 + 8
| 6479 | Problemschach (Sidler) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Qxf5#
- 1...Qxh7
- 2.Rf4#
- 1...Rh2
- 2.Rxe1#
- 1...Rh3
- 2.Rxe1#
- 1...Rxh4
- 2.Rxe1#
- 1...Sd3
- 2.cxd3#
- 1...g1B
- 2.Rxe1#
- 1...Qf5
- Tries
- 1.Ka7?
- threat
- 2.Rf4#
- 1...Rxh4
- 2.Rxe1#
- 1...Qf5
- 2.Qxf5#
- 1...Sd3
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Se2?
- threat
- 2.Sc3#
- 2.Bxd5#
- 2.Rd4#
- 1...Sxc2
- 2.Sc3#
- 2.Bxd5#
- 1...Qf5
- 2.Bxd5#
- 2.Qxf5#
- 1...Sd3
- 2.Sc3#
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Sb3?
- threat
- 2.Sbd2#
- 2.Sc5#
- 2.Bxd5#
- 2.Rd4#
- 1...Sxc2
- 2.Sc5#
- 2.Bxd5#
- 1...Qf5
- 2.Sbd2#
- 2.Bxd5#
- 2.Qxf5#
- 1...Sd3
- 2.Sbd2#
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.Sd6#
- 2.Bxd5#
- 2.Rd4#
- 1...Sxc2
- 2.Sc3#
- 2.Sd6#
- 2.Bxd5#
- 1...Qf5
- 2.Bxd5#
- 2.Qxf5#
- 1...Sd3
- 2.Sc3#
- 2.Sd6#
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Se6?
- threat
- 2.Sc5#
- 2.Seg5#
- 2.Bxd5#
- 2.Rd4#
- 2.Rf4#
- 1...Rxh4
- 2.Sc5#
- 2.Seg5#
- 2.Bxd5#
- 2.Rxe1#
- 2.Rd4#
- 1...Sxc2
- 2.Sc5#
- 2.Seg5#
- 2.Bxd5#
- 2.Rf4#
- 1...fxe6
- 2.Rd4#
- 2.Rf4#
- 1...Qf5
- 2.Seg5#
- 2.Bxd5#
- 2.Qxf5#
- 1...Sd3
- 2.Seg5#
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Bc6?
- threat
- 2.Rf4#
- 1...Rxh4
- 2.Rxe1#
- 1...Qf5
- 2.Qxf5#
- 1...Sd3
- 2.cxd3#
- 1...Sxf3!
- threat
- 1.Rxg6?
- threat
- 2.Rg4#
- 2.Re6#
- 1...Sxf3
- 2.Re6#
- 1...fxg6
- 2.Qe7#
- 1...f6
- 2.Rg4#
- 2.Qe7#
- 1...Sxg6!
- threat
- 1.Qxg6+?
- 1...fxg6
- 2.Rf4#
- 2.Re6#
- 1...Sxg6!
- 1...fxg6
- 1.Ka7?
- Keys
- 1.Sc6!
- threat
- 2.Rf4#
- 1...Ra5+
- 2.Sxa5#
- 1...Rxh4
- 2.Rxe1#
- 1...Rxd1
- 2.Scd4#
- 1...Qf5
- 2.Sg5#
- 1...Rd2
- 2.Scd4#
- 1...Rd3
- 2.Scd4#
- 1...Rd4
- 2.Scxd4#
- 2.Rxd4#
- 1...Rf5
- 2.Sce5#
- 1...Sd3
- 2.Sd2#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- Q(f);N_PINR(I),OGATE::QAB1(K),XQ(f)
- Q(f);N_PINR(I),N_SPINQ(f),XQ(K)::R1(I)
- R(b);N_GUARD::R(A),XS(a)
- R(b);N_GUARD,XP(G)::R(A),XS(a)
- S(a);OGATE::P(B),XS(a)
- P(c);S_CUTR(b)::R(A),XS(a)
- Tries
- Try
- K(H);N_SPINR(I),P-FLIGHT
- Threat
- R1(I)
- Vars
- R(b);N_GUARD,XP(G)::R(A),XS(a)
- Q(f);OGATE::QAB1(K),XQ(f)
- S(a);OGATE::P(B),XS(a)
- Refutation
- S(a);XS(D)
- Try
- S(F);
- Threat
- DUALS(3)
- Refutation
- S(a);XS(D)
- Try
- S(F);
- Threat
- DUALS(4)
- Refutation
- S(a);XS(D)
- Try
- S(F);
- Threat
- DUALS(4)
- Refutation
- S(a);XS(D)
- Try
- S(F);N_SPINR(I)
- Threat
- DUALS(5)
- Refutation
- S(a);XS(D)
- Try
- B(J);N_SPINR(I)
- Threat
- R1(I)
- Vars
- R(b);N_GUARD,XP(G)::R(A),XS(a)
- Q(f);OGATE::QAB1(K),XQ(f)
- S(a);OGATE::P(B),XS(a)
- Refutation
- S(a);XS(D)
- Try
- R(I);N_SPINR(I),XQ(f)
- Threat
- DUALS(2)
- Vars
- S(a);XS(D)::QAB(K)+R(I),DCHECK
- P(g);OGATE,P_SPINP(g),XR(I)::QAR(K)
- Refutation
- S(h);P_SPINS(h),XR(I)
- Try
- Q(K);CHECK,N_SPINR(I),XQ(f)
- Refutation
- S(h);XQ(K)
- Try
- Actual
- S(F);N_PINR(e),N_SPINR(I)
- Threat
- R1(I)
- Vars
- R(e);CHECK::B(J)+S(F),XR(e)
- R(b);N_GUARD,XP(G)::R(A),XS(a)
- R(e);XR(A)::B(J)+S(F)
- Q(f);S_CUTR(e)::S(D)
- R(e);::B(J)+S(F)
- R(e);N_SPINQ(f)::B(J)+S(F)
- S(a);S_CUTR(e)::S(D)
Developed and maintained by Brian Stephenson.
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