MESON Chess Problem Database
Problem Display
PID: 50744 (8/2p4N/2p1Qp1p/2Rn1N1B/2P2kp1/2n2P2/8/4K2R w K - 0 1)
Neukomm, Gyula (Julius) R
3rd Prize, Aachener Anzeiger, 1928
#2
9 + 8
| 273 | Mat Plus | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Kxf3
- 2.0-0#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...gxf3
- 2.Rh4#
- 1...g3
- 2.Rh4#
- 1...Kxf3
- Tries
- 1.Kf1?
- 1...Se3+
- 2.Qxe3#
- 1...gxf3
- 2.Rh4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...g3
- 2.Rh4#
- 1...Kxf3!
- 1...Se3+
- 1.Bxg4?
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...h5!
- 1...Sb1
- 1.Rf1?
- threat
- 2.fxg4#
- 1...gxf3
- 2.Rxf3#
- 1...Sd1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 2.fxe4#
- 1...Se3
- 2.Qxe3#
- 1...g3!
- threat
- 1.Rh3?
- 1...gxf3
- 2.Rxf3#
- 2.Rh4#
- 1...g3
- 2.Rh4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...gxh3!
- 1...gxf3
- 1.Rh4?
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...Kxf3!
- 1...Sb1
- 1.Ra5?
- 1...Kxf3
- 2.0-0#
- 1...gxf3
- 2.Rh4#
- 1...g3
- 2.Rh4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...c5!
- 1...Kxf3
- 1.Rxd5?
- threat
- 2.Qe3#
- 1...Kxf3
- 2.0-0#
- 1...Sxd5
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...cxd5!
- threat
- 1.Qe3+?
- 1...Kxf5
- 2.fxg4#
- 1...Sxe3!
- 1...Kxf5
- 1.cxd5?
- 1...Kxf3
- 2.0-0#
- 1...Sxd5
- 2.Qe4#
- 1...gxf3
- 2.Rh4#
- 1...g3
- 2.Rh4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...cxd5!
- 1...Kxf3
- 1.Kf1?
- Keys
- 1.Rh2!
- 1...Kxf3
- 2.Rf2#
- 1...gxf3
- 2.Rh4#
- 1...g3
- 2.Rh4#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb5
- 2.Qe4#
- 1...Se3
- 2.Qxe3#
- 1...Sb4
- 2.Qe3#
- 1...Sb6
- 2.Qe3#
- 1...Se7
- 2.Qe3#
- 1...Kxf3
- 1.Rh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);P-FLIGHT,P_SPINP(c),XP(C)::0-0
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- P(c);OGATEB,XP(C)::R(B)
- P(c);OGATEB::R(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- P(c);OGATEB,XP(C)::R(B)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H)
- P(c);OGATEB::R(B)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c),XP(C)
- Try
- B(G);XP(c)
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- Refutation
- P(g);
- Try
- R(B);
- Threat
- R(B)+P(C),XP(c)
- Vars
- P(c);OGATE,P_SPINP(c),XP(C)::R1(B),XP(c)
- S(a);N_GUARD::QAR1(H)
- S(d);N_GUARD::QAB1(H),XS(d)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- P(c);OGATEB::R(B)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- Refutation
- P(c);XR(B)
- Try
- R(B);P_PINP(c)
- Vars
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- Refutation
- K(b);P-FLIGHT,XP(C)
- Try
- R(E);
- Vars
- K(b);P-FLIGHT,P_SPINP(c),XP(C)::0-0
- P(c);OGATEB,XP(C)::R(B)
- P(c);OGATEB::R(B)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
- Refutation
- P(e);
- Try
- R(E);XS(d)
- Threat
- QAB1(H)
- Vars
- K(b);P-FLIGHT,P_SPINP(c),XP(C)::0-0
- S(a);N_GUARD,XR(E)::QAR1(H)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- Refutation
- P(e);XR(E)
- Try
- Q(H);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINS(d),XS(F)::P(C),XP(c)
- Refutation
- S(d);XQ(H)
- Try
- P(D);XS(d)
- Vars
- K(b);P-FLIGHT,P_SPINP(c),XP(C)::0-0
- S(a);N_GUARD,XP(D)::QAR1(H)
- P(c);OGATEB,XP(C)::R(B)
- P(c);OGATEB::R(B)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- Refutation
- P(e);XP(D)
- Try
- Actual
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINP(c),XP(C)::R1(B)
- P(c);OGATEB,XP(C)::R(B)
- P(c);OGATEB::R(B)
- S(a);N_GUARD::QAR1(H)
- S(a);N_GUARD::QAR1(H),XS(a)
- S(d);N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD::QAB1(H)
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