MESON Chess Problem Database
Problem Display
PID: 50167 (1r4B1/nn6/K1pN1Q2/p1kP2R1/1N6/1PP1rb2/4p3/6b1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
2nd Comm., Springaren, 1955
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Ree8
- 2.Sd3#
- 1...Ra8
- 2.Sxb7#
- 1...Rc8
- 2.Sxb7#
- 1...Rd8
- 2.Sxb7#
- 1...Rbe8
- 2.Sxb7#
- 1...Rf8
- 2.Sxb7#
- 1...Rxg8
- 2.Sxb7#
- 1...Sxd6
- 2.Qd4#
- 1...Rd3
- Tries
- 1.Sc4?
- threat
- 2.Qd4#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Ree8
- 2.Sd3#
- 1...Sb5
- 2.Qxc6#
- 1...Rxc3!
- threat
- 1.Se4+?
- 1...Rxe4
- 2.Sd3#
- 1...Bxe4!
- 1...Rxe4
- 1.Sf5?
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Qxc3#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Ree8
- 2.Sd3#
- 1...Sb5
- 2.Qxc6#
- 1...Re6!
- threat
- 1.Sf7?
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Qxc3#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Ree8
- 2.Sd3#
- 1...Sb5
- 2.Qxc6#
- 1...Re5!
- threat
- 1.Sc8?
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Qxc3#
- 1...Sxc8
- 2.Qxc6#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Re8
- 2.Sd3#
- 1...Sb5
- 2.Qxc6#
- 1...Rxc8!
- threat
- 1.Se8?
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Qxc3#
- 1...Rexe8
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Sb5
- 2.Qxc6#
- 1...Rbxe8!
- threat
- 1.dxc6+?
- 1...Bd5
- 2.Rxd5#
- 1...Re5!
- 1...Bd5
- 1.Sc4?
- Keys
- 1.Sb5!
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Qxc3#
- 1...Sxb5
- 2.Qxc6#
- 1...cxb5
- 2.Qb6#
- 1...Rd3
- 2.Sxd3#
- 1...Re4
- 2.Sd3#
- 1...Re5
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Re7
- 2.Sd3#
- 1...Ree8
- 2.Sd3#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- R(j);N_GUARD::S(G),XS(i)
- R(j);N_GUARD,XB(I)::S(G),XS(i)
- S(i);SBLOCK,XS(G)::QAB1(H)
- Tries
- Try
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- S(h);N_GUARD::QAR1(H),XP(g)
- Refutation
- R(c);XP(B)
- Try
- S(G);CHECK
- Vars
- R(c);XS(G)::S(C)
- Refutation
- B(d);XS(G)
- Try
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);OGATE,XP(B)::QAR2(H),XR(c)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- S(h);N_GUARD::QAR1(H),XP(g)
- Refutation
- R(c);
- Try
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);OGATE,XP(B)::QAR2(H),XR(c)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- S(h);N_GUARD::QAR1(H),XP(g)
- Refutation
- R(c);
- Try
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);OGATE,XP(B)::QAR2(H),XR(c)
- S(h);N_GUARD,XS(G)::QAR1(H),XP(g)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- S(h);N_GUARD::QAR1(H),XP(g)
- Refutation
- R(j);XS(G)
- Try
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);OGATE,XP(B)::QAR2(H),XR(c)
- R(c);N_GUARD,XS(G)::S(C)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- S(h);N_GUARD::QAR1(H),XP(g)
- Refutation
- R(j);XS(G)
- Try
- P(D);CHECK,XP(g)
- Vars
- B(d);N_GUARD,P_SPINB(d)::R1(E),XB(d)
- Refutation
- R(c);P_SPINR(c)
- Try
- Actual
- S(G);
- Threat
- QAB1(H)
- Vars
- R(c);OGATE,XP(B)::QAR2(H),XR(c)
- S(h);N_GUARD,XS(G)::QAR1(H),XP(g)
- P(g);OGATE,XS(G)::QAB1(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
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