MESON Chess Problem Database
Problem Display
PID: 17552 (4n1K1/1p6/1n6/bB4B1/1N6/QNkp4/p2R4/r2r4 w - - 0 1)
Neukomm, Gyula (Julius) R
Schach-Magazin, 1947
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Rxd3#
- 1...Rdc1
- 2.Rxd3#
- 1...Re1
- 2.Rxd3#
- 1...Rf1
- 2.Rxd3#
- 1...Rg1
- 2.Rxd3#
- 1...Rh1
- 2.Rxd3#
- 1...Rxd2
- 2.Bxd2#
- 1...Bxb4
- 2.Qb2#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sf6+
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...Rab1
- Tries
- 1.Kh7?
- 1...Sf6+
- 2.Bxf6#
- 1...Rxd2
- 2.Bxd2#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Rxd3#
- 1...Rdc1
- 2.Rxd3#
- 1...Re1
- 2.Rxd3#
- 1...Rf1
- 2.Rxd3#
- 1...Rg1
- 2.Rxd3#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...Rh1+!
- 1...Sf6+
- 1.Kh8?
- 1...Rxd2
- 2.Bxd2#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Rxd3#
- 1...Rdc1
- 2.Rxd3#
- 1...Re1
- 2.Rxd3#
- 1...Rf1
- 2.Rxd3#
- 1...Rg1
- 2.Rxd3#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...Rh1+!
- 1...Rxd2
- 1.Bxd3?
- threat
- 2.Rc2#
- 1...Sf6+
- 2.Bxf6#
- 1...Rxd2
- 2.Bxd2#
- 1...Bxb4
- 2.Qb2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdc1!
- threat
- 1.Ba6?
- 1...Sf6+
- 2.Bxf6#
- 1...Rxd2
- 2.Bxd2#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Rxd3#
- 1...Rdc1
- 2.Rxd3#
- 1...Re1
- 2.Rxd3#
- 1...Rf1
- 2.Rxd3#
- 1...Rg1
- 2.Rxd3#
- 1...Rh1
- 2.Rxd3#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...bxa6!
- 1...Sf6+
- 1.Rf2?
- 1...Sf6+
- 2.Bxf6#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Bd2#
- 1...Rdc1
- 2.Bd2#
- 1...Re1
- 2.Bd2#
- 1...Rf1
- 2.Bd2#
- 1...Rh1
- 2.Bd2#
- 1...Rd2
- 2.Bxd2#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...d2
- 2.Rf3#
- 1...Rg1!
- 1...Sf6+
- 1.Rh2?
- 1...Sf6+
- 2.Bxf6#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Bd2#
- 1...Rdc1
- 2.Bd2#
- 1...Re1
- 2.Bd2#
- 1...Rf1
- 2.Bd2#
- 1...Rh1
- 2.Bd2#
- 1...Rd2
- 2.Bxd2#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...d2
- 2.Rh3#
- 1...Rg1!
- 1...Sf6+
- 1.Kh7?
- Keys
- 1.Rg2!
- 1...Sf6+
- 2.Bxf6#
- 1...Bxb4
- 2.Qb2#
- 1...Rab1
- 2.Sxa2#
- 1...Rac1
- 2.Sxa2#
- 1...Rdb1
- 2.Bd2#
- 1...Rdc1
- 2.Bd2#
- 1...Re1
- 2.Bd2#
- 1...Rf1
- 2.Bd2#
- 1...Rg1
- 2.Bd2#
- 1...Rh1
- 2.Bd2#
- 1...Rd2
- 2.Bxd2#
- 1...Sa4
- 2.Sd5#
- 1...Sc4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sd7
- 2.Sd5#
- 1...Sa8
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sd6
- 2.Bf6#
- 1...Sc7
- 2.Bf6#
- 1...Sg7
- 2.Bf6#
- 1...d2
- 2.Rg3#
- 1...Sf6+
- 1.Rg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::R1(A),XP(e)
- R(b);N_GUARD,P_PINB(F)::R1(A),XP(e)
- R(b);OGATE,XR(A)::B(F),XR(b)
- B(f);SBLOCK,XS(D)::QAB1(B)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- S(i);CHECK,N_GUARD::B(F),XS(i)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- R(b);OGATE,XR(A)::B(F),XR(b)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::R1(A),XP(e)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- Refutation
- R(b);CHECK
- Try
- K(G);P-FLIGHT
- Vars
- R(b);OGATE,XR(A)::B(F),XR(b)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::R1(A),XP(e)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- S(i);N_GUARD::B(F),XS(i)
- Refutation
- R(b);CHECK
- Try
- B(E);XP(e)
- Threat
- R1(A)
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- R(b);OGATE,XR(A)::B(F),XR(b)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- Refutation
- R(b);
- Try
- B(E);
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- R(b);OGATE,XR(A)::B(F),XR(b)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::R1(A),XP(e)
- R(b);N_GUARD,P_PINB(F)::R1(A),XP(e)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- Refutation
- P(h);XB(E)
- Try
- R(A);
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::B(F)
- R(b);N_GUARD::B(F),XR(b)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- P(e);OGATEB::R(A)
- Refutation
- R(b);P_PINB(F)
- Try
- R(A);
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::B(F)
- R(b);N_GUARD::B(F),XR(b)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- P(e);OGATEB::R(A)
- Refutation
- R(b);P_PINB(F)
- Try
- Actual
- R(A);
- Vars
- S(i);CHECK,N_GUARD::B(F),XS(i)
- B(f);SBLOCK,XS(D)::QAB1(B)
- R(a);N_GUARD::S(D),XP(c)
- R(b);N_GUARD::B(F)
- R(b);N_GUARD::B(F),XR(b)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- S(i);N_GUARD::B(F)
- P(e);OGATEB::R(A)
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