MESON Chess Problem Database

Problem Display
PID: 233787 (3b1r2/1Kp4Q/2R2P2/2PPk1pp/1p2N3/5P2/b1BPP3/qr4B1 w - - 0 1)

Schneider, Michael

Freie Presse, 1968

3b1r2/1Kp4Q/2R2P2/2PPk1pp/1p2N3/5P2/b1BPP3/qr4B1

#2

12 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bh2#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kf4
        • 2.Bh2#
      • 1...Rxg1
        • 2.Qe4#
      • 1...Rxf6
        • 2.Qe4#
      • 1...Bxd5
        • 2.Qf5#
      • 1...bxc3+!
    • 1.Sg3?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Rxg1
        • 2.Qe4#
      • 1...Rxf6
        • 2.Qe4#
      • 1...Bxd5
        • 2.Qf5#
      • 1...Qd4
        • 2.Qf5#
      • 1...Kf4!
    • 1.Sxg5?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Rxg1
        • 2.Qe4#
      • 1...Rxf6
        • 2.Qe4#
      • 1...Bxd5
        • 2.Qf5#
      • 1...Qd4
        • 2.Qf5#
      • 1...Kf4!
    • 1.Sd6?
      • threat
        • 2.Qf5#
      • 1...Kf4
        • 2.Bh2#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Kxf6
        • 2.Sc4#
      • 1...Rxf6
        • 2.Qe4#
      • 1...Rxg1!
    • 1.Re6+?
      • 1...Kf4
        • 2.Bh2#
        • 2.Be3#
      • 1...Kxd5!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Bh2#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Bxd5
        • 2.Sd3#
      • 1...Qd4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(A)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::B(A)
        • R(b);XB(A)::QAR1(L)
        • R(j);XP(J)::QAR1(L)
        • B(c);P_PINR(I),XP(H)::QAR1(L)
      • Refutation
        • P(d);CHECK,XS(F)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);P-FLIGHT,XP(H)::QAB1(L)
        • R(b);XB(A)::QAR1(L)
        • R(j);XP(J)::QAR1(L)
        • B(c);P_PINR(I),SBLOCK,XP(H)::QAR1(L)
        • Q(a);::QAR1(L)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);P-FLIGHT,XP(H)::QAB1(L)
        • R(b);XB(A)::QAR1(L)
        • R(j);XP(J)::QAR1(L)
        • B(c);P_PINR(I),SBLOCK,XP(H)::QAR1(L)
        • Q(a);::QAR1(L)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(F);
      • Threat
        • QAR1(L)
      • Vars
        • K(e);S_FLIGHT::B(A)
        • K(e);P-FLIGHT,XP(H)::QAB1(L)
        • K(e);S_FLIGHT,XP(J)::R(I)+S(F)
        • R(j);SBLOCK,XP(J)::QAR1(L)
      • Refutation
        • R(b);XB(A)
    • Try
      • R(I);CHECK
      • Refutation
        • K(e);P-FLIGHT,XP(H)
  • Actual
    • S(F);
    • Threat
      • QAR1(L)
    • Vars
      • K(e);S_FLIGHT::QAR1(L)
      • K(e);S_FLIGHT::B(A)
      • K(e);P-FLIGHT,XP(H)::QAB1(L)
      • B(c);P_PINR(I),SBLOCK,XP(H)::S(F)
      • Q(a);SBLOCK::QAR1(L)
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