MESON Chess Problem Database
Problem Display
PID: 178006 (5bq1/3bp1Bp/1Kp5/8/RNk3P1/3p1R1Q/3p2n1/n2B4 w - - 0 1)
ten Cate, Pieter
Busmen's Chess Review, 1964
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Sa2#
- 2.Sxd3#
- 2.Sa6#
- 2.Sxc6#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...Qd5
- Tries
- 1.Sc2+?
- 1...Kb3
- 2.Sxa1#
- 1...Kd5!
- 1...Kb3
- 1.Rf1?
- threat
- 2.Qxd3#
- 1...Qd5
- 2.Sa2#
- 2.Sxd3#
- 2.Sa6#
- 2.Sxc6#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Bf5!
- threat
- 1.Rf2?
- threat
- 2.Qxd3#
- 1...Qd5
- 2.Sa2#
- 2.Sxd3#
- 2.Sa6#
- 2.Sxc6#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Bf5!
- threat
- 1.Rxd3?
- threat
- 2.Sa2#
- 2.Sc2#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rc3#
- 2.Rd4#
- 1...Qxg7
- 2.Sa2#
- 2.Sc2#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 1...Bxg7
- 2.Sa2#
- 2.Sc2#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 1...Qd5
- 2.Sa2#
- 2.Sc2#
- 2.Sxd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rc3#
- 1...Sc2
- 2.Sxc2#
- 2.Rc3#
- 1...Sb3
- 2.Sa2#
- 2.Sc2#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Bxb3#
- 2.Rc3#
- 1...Se3
- 2.Rc3#
- 1...c5
- 2.Sc6#
- 2.Rc3#
- 1...e6
- 2.Rc3#
- 2.Rd4#
- 1...e5!
- threat
- 1.Rf5?
- threat
- 2.Sa2#
- 2.Sxd3#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rc5#
- 2.Qxd3#
- 1...Qxg7
- 2.Sa2#
- 2.Sd5#
- 2.Qxd3#
- 1...Bxg7
- 2.Sa2#
- 2.Sd5#
- 2.Qxd3#
- 1...Sc2
- 2.Qxd3#
- 1...e5
- 2.Qxd3#
- 1...Qd5
- 2.Sa2#
- 2.Sxd3#
- 2.Sxd5#
- 2.Sa6#
- 2.Sxc6#
- 1...Sb3
- 2.Sa2#
- 2.Sc2#
- 2.Sxd3#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Qxd3#
- 1...Se1
- 2.Sa2#
- 2.Sxd3#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rf4#
- 2.Rc5#
- 1...Se3
- 2.Sa2#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rf4#
- 2.Rc5#
- 1...Sf4
- 2.Sa2#
- 2.Sxd3#
- 2.Sd5#
- 2.Sa6#
- 2.Sxc6#
- 2.Rxf4#
- 2.Rc5#
- 1...c5
- 2.Sc6#
- 2.Rxc5#
- 2.Qxd3#
- 1...e6
- 2.Qxd3#
- 1...Bxf5!
- threat
- 1.Rf7?
- threat
- 2.Qxd3#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Bf5!
- threat
- 1.Rxf8?
- threat
- 2.Qxd3#
- 1...Qd5
- 2.Sa2#
- 2.Sxd3#
- 2.Sa6#
- 2.Sxc6#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Bf5!
- threat
- 1.Sc2+?
- Keys
- 1.Rf6!
- threat
- 2.Qxd3#
- 1...Kc3
- 2.Rxc6#
- 1...Kd4
- 2.Rf4#
- 1...Bf5
- 2.Rxc6#
- 1...Qd5
- 2.Sa2#
- 1...Se1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
- Tries
- Try
- S(E);CHECK
- Vars
- K(e);P_SPINP(d),S_FLIGHT::B(A)+S(E),DCHECK,XS(a)
- Refutation
- K(e);S_FLIGHT
- Try
- R(B);
- Threat
- QAB1(C),XP(d)
- Vars
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
- Refutation
- B(g);
- Try
- R(B);
- Threat
- QAB1(C),XP(d)
- Vars
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
- Refutation
- B(g);
- Try
- R(B);XP(d)
- Threat
- DUALS(7)
- Vars
- S(c);::R1(B)
- Refutation
- P(h);
- Try
- R(B);
- Threat
- DUALS(7)
- Vars
- S(a);::QAB1(C),XP(d)
- P(h);::QAB1(C),XP(d)
- Refutation
- B(g);XR(B)
- Try
- R(B);
- Threat
- QAB1(C),XP(d)
- Vars
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
- Refutation
- B(g);
- Try
- R(B);XB(j)
- Threat
- QAB1(C),XP(d)
- Vars
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
- Refutation
- B(g);
- Try
- Actual
- R(B);
- Threat
- QAB1(C),XP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d)::B(H)+R(B),DCHECK,XP(f)
- K(e);P-FLIGHT::B(H)+R(B),DCHECK
- B(g);N_GUARD::R(B),XP(f)
- Q(k);SBLOCK::R(D)+S(E)
- S(c);N_GUARD::R(B)
- S(c);N_GUARD::R(B),XS(c)
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