MESON Chess Problem Database
Problem Display
PID: 189646 (8/BQ2KN2/2pr1p2/3k1B2/5RP1/5n2/3n4/8 w - - 0 1)
Breyer, Gyula
Pesti Naplo, 1911
#2
7 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Re6+
- 2.Bxe6#
- 1...Rd7+
- 2.Qxd7#
- 1...Rd8
- 2.Be6#
- 1...Sb1
- 2.Qb3#
- 1...Sf1
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Be4#
- 1...Se4
- 2.Qb3#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Re6+
- Tries
- 1.Be4+?
- 1...Sxe4
- 2.Qb3#
- 1...Kc4!
- 1...Sxe4
- 1.Ra4?
- 1...Re6+
- 2.Bxe6#
- 1...Rd7+
- 2.Qxd7#
- 1...Rd8
- 2.Be6#
- 1...Sb1
- 2.Be4#
- 2.Qb3#
- 1...Sf1
- 2.Be4#
- 2.Qb3#
- 1...Sb3
- 2.Be4#
- 2.Qxb3#
- 1...Se4
- 2.Bxe4#
- 2.Qb3#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Sc4!
- 1...Re6+
- 1.Qa6?
- 1...Re6+
- 2.Bxe6#
- 1...Rd8
- 2.Be6#
- 1...Sb1
- 2.Be4#
- 2.Qc4#
- 2.Qa2#
- 1...Sf1
- 2.Be4#
- 2.Qc4#
- 2.Qa2#
- 1...Sb3
- 2.Be4#
- 2.Qc4#
- 1...Sc4
- 2.Be4#
- 2.Qxc4#
- 1...Se4
- 2.Bxe4#
- 2.Qa2#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 2.Qd3#
- 1...Sh2
- 2.Rd4#
- 2.Qd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 2.Qd3#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 2.Qd3#
- 1...c5
- 2.Qxd6#
- 1...Rd7+!
- 1...Re6+
- 1.Qb3+?
- 1...Sc4
- 2.Be4#
- 2.Qxc4#
- 2.Qxf3#
- 1...Sxb3!
- 1...Sc4
- 1.Qb4?
- threat
- 2.Qc5#
- 2.Qxd6#
- 1...Re6+
- 2.Bxe6#
- 1...c5
- 2.Qxc5#
- 1...Rd8
- 2.Be6#
- 2.Qc5#
- 1...Sb3
- 2.Be4#
- 2.Qxd6#
- 2.Qxb3#
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Be4#
- 2.Qc5#
- 2.Qxc4#
- 1...Se4
- 2.Bxe4#
- 2.Qb3#
- 2.Qxe4#
- 1...Sd4
- 2.Rxd4#
- 2.Qc5#
- 2.Qxd4#
- 1...Rd7+!
- threat
- 1.Qb5+?
- 1...c5
- 2.Qxc5#
- 1...cxb5!
- 1...c5
- 1.Qb6?
- threat
- 2.Qc5#
- 1...Re6+
- 2.Bxe6#
- 1...Se4
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...c5
- 2.Qxc5#
- 2.Qxd6#
- 1...Rd7+!
- threat
- 1.Qc7?
- threat
- 2.Qxd6#
- 1...Re6+
- 2.Bxe6#
- 1...Rd7+
- 2.Qxd7#
- 1...Sd4
- 2.Rxd4#
- 1...Rd8
- 2.Be6#
- 2.Qxd8#
- 1...Sc4
- 2.Be4#
- 1...Se4!
- threat
- 1.Qd7?
- threat
- 2.Be6#
- 2.Qxd6#
- 1...Se4
- 2.Be6#
- 1...Sd4
- 2.Rxd4#
- 1...Sc4
- 2.Be4#
- 2.Be6#
- 1...Sg5
- 2.Rd4#
- 2.Qxd6#
- 1...Rxd7+!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...Re6+
- 2.Bxe6#
- 1...Se4
- 2.Qb3#
- 1...Sd4
- 2.Rxd4#
- 1...Rd8
- 2.Be6#
- 2.Qxd8#
- 1...Sc4
- 2.Be4#
- 1...Rd7+!
- threat
- 1.g5?
- 1...Re6+
- 2.Bxe6#
- 1...Rd7+
- 2.Qxd7#
- 1...Sxg5
- 2.Rd4#
- 1...Se4
- 2.Qb3#
- 1...Sd4
- 2.Rxd4#
- 1...Rd8
- 2.Be6#
- 1...Sb1
- 2.Qb3#
- 1...Sf1
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc4
- 2.Be4#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...fxg5!
- 1...Re6+
- 1.Be4+?
- Keys
- 1.Rb4!
- 1...Re6+
- 2.Bxe6#
- 1...Rd7+
- 2.Qxd7#
- 1...Rd8
- 2.Be6#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Sc4
- 2.Rb5#
- 1...Se4
- 2.Bxe4#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Re6+
- 1.Rb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);CHECK,OGATEB::QAR2(E),XR(e)
- R(e);N_GUARD::B(C)
- S(a);N_GUARD::QAB(E)
- S(a);N_GUARD::QAB(E),XS(a)
- S(a);N_GUARD,SBLOCK::B(C)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Tries
- Try
- B(C);CHECK
- Vars
- S(a);XB(C)::QAB(E)
- Refutation
- K(c);N_SPINP(d),S_FLIGHT
- Try
- R(A);
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);CHECK,OGATEB::QAR2(E),XR(e)
- R(e);N_GUARD::B(C)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- S(a);
- Try
- Q(E);N_PINP(d)
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);N_GUARD::B(C)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- P(d);OGATE::QAR1(E),XR(e)
- Refutation
- R(e);CHECK
- Try
- Q(E);CHECK,N_PINP(d)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- P(d);::QAR1(E),XP(d)
- Refutation
- R(e);CHECK
- Try
- Q(E);CHECK,N_PINP(d)
- Vars
- P(d);P_SPINP(d)::QAR1(E),XP(d)
- Refutation
- P(d);XQ(E)
- Try
- Q(E);N_PINP(d)
- Threat
- QAR1(E)
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- S(a);N_GUARD::QAB(E)
- S(a);N_GUARD::QAB(E),XS(a)
- Refutation
- R(e);CHECK
- Try
- Q(E);N_PINP(d)
- Threat
- QAR1(E),XR(e)
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);CHECK,OGATEB::QAR2(E),XR(e)
- S(b);N_GUARD::R1(A),XS(b)
- S(a);N_GUARD,SBLOCK::B(C)
- Refutation
- S(a);
- Try
- Q(E);N_PINP(d),P_PINR(e)
- Threat
- DUALS(2)
- Vars
- S(a);::B(C)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- R(e);CHECK,N_SPINR(e),XQ(E)
- Try
- Q(E);N_PINP(d)
- Threat
- QAR1(E),XR(e)
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- S(a);N_GUARD::QAB(E)
- S(b);N_GUARD::R1(A),XS(b)
- S(a);N_GUARD,SBLOCK::B(C)
- Refutation
- R(e);CHECK
- Try
- P(B);
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);CHECK,OGATEB::QAR2(E),XR(e)
- S(b);N_GUARD,XP(B)::R1(A)
- S(a);N_GUARD::QAB(E)
- S(b);N_GUARD::R1(A),XS(b)
- R(e);N_GUARD::B(C)
- S(a);N_GUARD::QAB(E),XS(a)
- S(a);N_GUARD,SBLOCK::B(C)
- S(b);N_GUARD::R1(A)
- Refutation
- P(f);XP(B)
- Try
- Actual
- R(A);
- Vars
- R(e);CHECK,N_GUARD::B(C),XR(e)
- R(e);CHECK,OGATEB::QAR2(E),XR(e)
- R(e);N_GUARD::B(C)
- S(a);N_GUARD::B(C)
- S(a);SBLOCK::R(A)
- S(a);N_GUARD::B(C),XS(a)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
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