MESON Chess Problem Database
Problem Display
PID: 10718 (8/8/1PN1P2p/BPkB3R/p1P2p2/N3pP2/3nK3/4Q3 w - - 0 1)
Boyer, Jean-Pierre
di Scala, Pascal
1st HM., Probleme TT, 1967
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Bb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...Kd6
- Tries
- 1.Kd1?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...e2+!
- 1...Kd6
- 1.Kd3?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...e2!
- 1...Kd6
- 1.Sb1?
- 1...Kd6
- 2.Bb4#
- 1...Sxb1
- 2.Qb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...a3!
- 1...Kd6
- 1.Sc2?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...a3!
- 1...Kd6
- 1.Re5?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...h5!
- 1...Kd6
- 1.Rf5?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...h5!
- 1...Kd6
- 1.Rxh6?
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...Sxc4!
- 1...Kd6
- 1.Qxd2?
- threat
- 2.Be4#
- 2.Qb4#
- 1...Kd6
- 2.Bb4#
- 2.Qb4#
- 1...exd2!
- threat
- 1.b7?
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...Kd6!
- 1...Sxf3
- 1.e7?
- 1...Sxf3
- 2.Qb4#
- 1...Sxc4
- 2.Qb4#
- 1...Sb1
- 2.Qb4#
- 1...Sf1
- 2.Qb4#
- 1...Sb3
- 2.Qb4#
- 1...Se4
- 2.Qb4#
- 1...Kd6!
- 1...Sxf3
- 1.Kd1?
- Keys
- 1.Qd1!
- 1...Kd6
- 2.Bb4#
- 1...Sxf3
- 2.Bxf3#
- 1...Sxc4
- 2.Bxc4#
- 1...Sb1
- 2.Be4#
- 1...Sf1
- 2.Be4#
- 1...Sb3
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Kd6
- 1.Qd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(e);S_FLIGHT::B(F)
- S(a);OGATE::QAB1(A)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(b);
- Try
- S(C);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XS(C)::QAB1(A)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(c);
- Try
- S(C);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(c);
- Try
- R(I);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(f);
- Try
- R(I);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- P(f);
- Try
- R(I);XP(f)
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- S(a);XP(E)
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Refutation
- P(b);XQ(A)
- Try
- P(J);
- Vars
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- K(e);S_FLIGHT
- Try
- P(L);
- Vars
- S(a);OGATE,XP(D)::QAB1(A)
- S(a);OGATE,XP(E)::QAB1(A)
- S(a);OGATE::QAB1(A)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(e);S_FLIGHT::B(F)
- S(a);OGATE,XP(D)::R(I)+B(H),XS(a)
- S(a);OGATE,XP(E)::R(I)+B(H),XS(a)
- S(a);::R(I)+B(H)
- S(a);::R(I)+B(H),XS(a)
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