MESON Chess Problem Database
Problem Display
PID: 244450 (b3R3/6b1/8/KN2r3/4k1B1/pPpRPn2/2P1Q2B/q2n1r2 w - - 0 1)
Eerkes, Allard Pieter
Tijdschrift vd KNSB, 1937
#2
10 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qxf3#
- 1...Rg1
- 2.Qxf3#
- 1...Rh1
- 2.Qxf3#
- 1...Re6
- 2.Sd6#
- 1...Re7
- 2.Sd6#
- 1...Rxe8
- 2.Sd6#
- 1...Bd5
- 2.Sd6#
- 1...Sf2
- 2.Qxf3#
- 1...Sxe3
- 2.Qxe3#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sd2
- 2.Rd4#
- 1...Sxh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sh4
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...Re1
- Tries
- 1.Kb4?
- threat
- 2.Sd6#
- 1...Sd4
- 2.Rxd4#
- 1...Bf8+!
- threat
- 1.Kb6?
- threat
- 2.Sd6#
- 1...Sd4
- 2.Rxd4#
- 1...Bf8!
- threat
- 1.Bxe5?
- threat
- 2.Sd6#
- 1...Sd4
- 2.Rxd4#
- 1...Bf8!
- threat
- 1.Rxd1?
- threat
- 2.Qd3#
- 1...Rxd1
- 2.Qxf3#
- 1...Sd4
- 2.Rxd4#
- 1...Se1
- 2.Rd4#
- 1...Qxd1!
- threat
- 1.Rd2?
- threat
- 2.Qd3#
- 1...Sd4
- 2.Rxd4#
- 1...Sf2
- 2.Qxf3#
- 1...Se1
- 2.Rd4#
- 1...Sb2!
- threat
- 1.Rd6?
- threat
- 2.Qd3#
- 1...Sf2
- 2.Qxf3#
- 1...Se1
- 2.Rd4#
- 1...Sb2!
- threat
- 1.Rd7?
- threat
- 2.Qd3#
- 1...Sf2
- 2.Qxf3#
- 1...Se1
- 2.Rd4#
- 1...Sb2!
- threat
- 1.Rdd8?
- threat
- 2.Qd3#
- 1...Sf2
- 2.Qxf3#
- 1...Se1
- 2.Rd4#
- 1...Sb2!
- threat
- 1.Rxe5+?
- 1...Sxe5
- 2.Sd6#
- 2.Rd4#
- 1...Bxe5!
- 1...Sxe5
- 1.Kb4?
- Keys
- 1.Rd5!
- threat
- 2.Qd3#
- 1...Kxd5
- 2.Qc4#
- 1...Sb2
- 2.Sxc3#
- 1...Sf2
- 2.Qxf3#
- 1...Se1
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(c);N_GUARD::QAB1(B),XS(f)
- R(h);N_PINS(I)::S(I)
- R(h);N_PINS(I),N_SPINR(h),XR(J)::S(I)
- B(j);N_PINS(I)::S(I)
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(b);OGATE,P_SPINS(b),XP(F)::QAR1(B),XS(b)
- S(f);N_GUARD::R1(E)
- S(f);N_GUARD,XB(C)::R1(E)
- S(f);N_GUARD::R1(E),XS(f)
- Tries
- Try
- K(H);N_SPINS(I),S_FLIGHT
- Threat
- S(I)
- Vars
- S(f);N_GUARD::R1(E),XS(f)
- Refutation
- B(i);CHECK
- Try
- K(H);N_SPINS(I),S_FLIGHT
- Threat
- S(I)
- Vars
- S(f);N_GUARD::R1(E),XS(f)
- Refutation
- B(i);
- Try
- B(C);N_SPINS(I),XR(h)
- Threat
- S(I)
- Vars
- S(f);N_GUARD::R1(E),XS(f)
- Refutation
- B(i);
- Try
- R(E);XS(b)
- Threat
- QAB1(B)
- Vars
- R(c);N_GUARD,XR(E)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E),XS(f)
- S(f);N_GUARD::R1(E)
- Refutation
- Q(a);XR(E)
- Try
- R(E);
- Threat
- QAB1(B)
- Vars
- S(f);N_GUARD::R1(E),XS(f)
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E)
- Refutation
- S(b);
- Try
- R(E);
- Threat
- QAB1(B)
- Vars
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E)
- Refutation
- S(b);
- Try
- R(E);
- Threat
- QAB1(B)
- Vars
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E)
- Refutation
- S(b);
- Try
- R(E);
- Threat
- QAB1(B)
- Vars
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E)
- Refutation
- S(b);
- Try
- R(J);CHECK,N_SPINS(I),XR(h)
- Refutation
- B(i);XR(J)
- Try
- Actual
- R(E);N_SPINS(I)
- Threat
- QAB1(B)
- Vars
- K(g);N_SPINR(h),S_FLIGHT,XR(E)::QAB1(B)
- S(b);N_GUARD,S_CUTQ(a)::S(I),XP(e)
- S(b);S_CUTR(c)::QAB1(B),XS(f)
- S(f);N_GUARD::R1(E)
- S(f);N_GUARD::R1(E),XS(f)
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