MESON Chess Problem Database
Problem Display
PID: 227749 (8/2N5/3p4/3p4/p1kp3p/B1p3bR/1PQ5/3K4 w - - 0 1)
Ferenczi, Istvan
Nepszava, 1926
#2
6 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...d3
- 2.Qxa4#
- 2.Qxc3#
- 1...Be1
- Tries
- 1.Kc1?
- 1...d3
- 2.Qxa4#
- 2.Qxc3#
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...Bf4+!
- 1...d3
- 1.Sb5?
- 1...Be1
- 2.Sxd6#
- 2.Qxa4#
- 1...Bf2
- 2.Sxd6#
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...d3
- 2.Qxa4#
- 1...Kxb5!
- 1...Be1
- 1.Sa6?
- 1...d3
- 2.Qxa4#
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...Kb5!
- 1...d3
- 1.Se6?
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...d3
- 2.Qxa4#
- 1...Kb5!
- 1...Be1
- 1.Sa8?
- 1...d3
- 2.Qxa4#
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...Kb5!
- 1...d3
- 1.Se8?
- 1...d3
- 2.Qxa4#
- 1...Be1
- 2.Sxd6#
- 2.Qxa4#
- 1...Bf2
- 2.Sxd6#
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...Kb5!
- 1...d3
- 1.Bxd6?
- 1...d3
- 2.Qxa4#
- 2.Qxc3#
- 1...Be1
- 2.Qxa4#
- 1...Bf2
- 2.Qxa4#
- 1...Bh2
- 2.Qxa4#
- 1...Bf4
- 2.Qxa4#
- 1...Be5
- 2.Qxa4#
- 1...a3
- 2.b3#
- 1...Bxd6!
- 1...d3
- 1.Qe4?
- 1...c2+
- 2.Qxc2#
- 1...Kb3
- 2.Qxd5#
- 1...cxb2
- 2.Qc2#
- 1...Be1
- 2.Qxd5#
- 1...Bf2
- 2.Rxc3#
- 2.Qxd5#
- 1...Bh2
- 2.Rxc3#
- 2.Qxd5#
- 1...Bf4
- 2.Rxc3#
- 2.Qxd5#
- 1...Be5
- 2.Rxc3#
- 2.Qxd5#
- 1...dxe4!
- 1...c2+
- 1.Qf5?
- 1...c2+
- 2.Qxc2#
- 1...Kb3
- 2.Qxd5#
- 1...cxb2
- 2.Qc2#
- 1...d3
- 2.Qxd5#
- 1...Be1
- 2.Qxd5#
- 1...Bf2
- 2.Qxd5#
- 1...Bh2
- 2.Qxd5#
- 1...Bf4
- 2.Qxd5#
- 1...Be5!
- 1...c2+
- 1.Kc1?
- Keys
- 1.Qg2!
- 1...c2+
- 2.Qxc2#
- 1...Kb3
- 2.Qxd5#
- 1...Kd3
- 2.Qe2#
- 1...cxb2
- 2.Qc2#
- 1...Be1
- 2.Qxd5#
- 1...Bf2
- 2.Qxd5#
- 1...Bh2
- 2.Qxd5#
- 1...Bf4
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...d3
- 2.Qxd5#
- 1...c2+
- 1.Qg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(b);::QAR2(C),XP(c)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(b);::QAR2(C),XP(c)
- Refutation
- B(b);CHECK
- Try
- S(F);
- Vars
- B(b);::QAR2(C),XP(c)
- P(e);SBLOCK::QAR2(C),XP(c)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT,XS(F)
- Try
- S(F);
- Vars
- P(e);SBLOCK::QAR2(C),XP(c)
- B(b);::QAR2(C),XP(c)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT
- Try
- S(F);
- Vars
- B(b);::QAR2(C),XP(c)
- P(e);SBLOCK::QAR2(C),XP(c)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT
- Try
- S(F);
- Vars
- P(e);SBLOCK::QAR2(C),XP(c)
- B(b);::QAR2(C),XP(c)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT
- Try
- S(F);
- Vars
- P(e);SBLOCK::QAR2(C),XP(c)
- B(b);::QAR2(C),XP(c)
- Refutation
- K(d);N_SPINP(a),S_FLIGHT
- Try
- B(D);XP(h)
- Vars
- B(b);::QAR2(C),XP(c)
- P(c);N_GUARD::P(B)
- Refutation
- B(b);XB(D)
- Try
- Q(C);N_PINP(a),P_PINP(e)
- Vars
- P(a);CHECK,OGATEB::QAR2(C),XP(a)
- K(d);N_SPINP(e),S_FLIGHT::QAB(C),XP(g)
- P(a);OGATEB,XP(B)::QAR2(C)
- B(b);::QAB1(C),XP(g)
- Refutation
- P(g);N_SPINP(e),XQ(C)
- Try
- Q(C);N_PINP(a)
- Vars
- P(a);CHECK,OGATEB::QAR2(C),XP(a)
- K(d);S_FLIGHT::QAB(C),XP(g)
- P(a);OGATEB,XP(B)::QAR2(C)
- P(e);::QAB1(C),XP(g)
- B(b);::QAB1(C),XP(g)
- Refutation
- B(b);
- Try
- Actual
- Q(C);N_PINP(a)
- Vars
- P(a);CHECK,OGATEB::QAR2(C),XP(a)
- K(d);S_FLIGHT::QAB(C),XP(g)
- K(d);P_SPINB(b),S_FLIGHT::QAB1(C)
- P(a);OGATEB,XP(B)::QAR2(C)
- B(b);::QAB1(C),XP(g)
- P(e);::QAB1(C),XP(g)
Developed and maintained by Brian Stephenson.
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