MESON Chess Problem Database

Problem Display
PID: 269083 (2K5/7B/2p2P2/BP1p1RPp/2p1kp2/1P3b1R/2nPNQ1b/1n5q w - - 0 1)

Markovtsy, Vassyl Yuriovich

Permyakov, Evgeni Nikolaevich

2nd Prize, Khramtsevich-50 JT, 2017

2K5/7B/2p2P2/BP1p1RPp/2p1kp2/1P3b1R/2nPNQ1b/1n5q

#2

12 + 11

17376 FIDE Album (2016-2018) 2022
6490 yacpdb 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Rxf4#
      • 2.Rxd5#
      • 2.Re5#
    • 1...Qc1
      • 2.Qxf3#
    • 1...Qd1
      • 2.Qxf3#
    • 1...Qe1
      • 2.Qxf3#
    • 1...Qg1
      • 2.Qxf3#
    • 1...Sa1
      • 2.Qd4#
    • 1...Se1
      • 2.Qd4#
    • 1...Sa3
      • 2.Qd4#
    • 1...Sb4
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...d4
      • 2.Rc5#
  • Tries
    • 1.Sc3+?
      • 1...Kd3
        • 2.Rxf4#
        • 2.Rxd5#
        • 2.Re5#
      • 1...Sxc3!
    • 1.Bc7?
      • threat
        • 2.Rxf4#
        • 2.Re5#
      • 1...Kd3
        • 2.Rxd5#
      • 1...d4
        • 2.Rc5#
        • 2.Re5#
      • 1...Bg4!
    • 1.d3+?
      • 1...Kxd3
        • 2.Rxf4#
        • 2.Rxd5#
        • 2.Re5#
      • 1...cxd3!
    • 1.bxc4?
      • threat
        • 2.Rxd5#
      • 1...Kd3
        • 2.Rxf4#
      • 1...dxc4
        • 2.Rc5#
      • 1...Bg4
        • 2.d3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...d4
        • 2.Rc5#
        • 2.Rd5#
      • 1...Se3!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Rxd5#
      • 1...Kd3
        • 2.Re5#
      • 1...Bg4
        • 2.Qe7#
      • 1...Se3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...d4
        • 2.Rxf4#
        • 2.Rd5#
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD::QAB1(C),XB(e)
    • S(c);N_GUARD::QAR1(C)
    • S(c);N_GUARD::QAR1(C),XS(c)
    • P(i);OGATE::B(K)+R(H)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • S(a);XS(B)
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(g);N_GUARD,P_SPINB(e),S_FLIGHT::B(K)+R(H),DCHECK,XP(i)
      • Refutation
        • B(e);P_PINR(H)
    • Try
      • P(A);CHECK
      • Refutation
        • P(f);XP(A)
    • Try
      • P(D);XP(f)
      • Threat
        • B(K)+R(H),XP(i)
      • Vars
        • K(g);N_GUARD,P_SPINB(e),S_FLIGHT::B(K)+R(H),XP(h)
        • P(i);OGATE,XP(D)::B(K)+R(H)
        • B(e);P_PINR(H)::P(A)
        • S(c);N_GUARD::QAR1(C),XS(c)
      • Refutation
        • S(c);
  • Actual
    • Q(C);
    • Threat
      • B(K)+R(H),XP(i)
    • Vars
      • K(g);N_GUARD,P_SPINB(e),S_FLIGHT::B(K)+R(H)
      • B(e);P_PINR(H)::QAR(C)
      • S(c);N_GUARD::QAR1(C)
      • S(c);N_GUARD::QAR1(C),XS(c)
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